1
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Song Z, Jia Y, Zhang D, Wang D. DMAP Mediated Efficient Construction of Functionalized Chromenes through One‐Pot Reaction of
para
‐Quinone Methides with Allenoates. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100112] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Zefeng Song
- Molecular Synthesis Center Key Laboratory of Marine Drugs Ministry of Education School of Medicine and Pharmacy Ocean University of China & Laboratory for Marine Drugs and Bioproducts and Open Studio for Druggability Research of Marine Natural Products Pilot NLMST Qingdao China
| | - Yuping Jia
- Shandong Academy of Pharmaceutical Sciences Jinan Shandong China
| | - Daizhou Zhang
- Shandong Academy of Pharmaceutical Sciences Jinan Shandong China
| | - De Wang
- Molecular Synthesis Center Key Laboratory of Marine Drugs Ministry of Education School of Medicine and Pharmacy Ocean University of China & Laboratory for Marine Drugs and Bioproducts and Open Studio for Druggability Research of Marine Natural Products Pilot NLMST Qingdao China
- State Key Laboratory of Chemical Oncogenomics Key Laboratory of Chemical Genomics Peking University Shenzhen Graduate School Shenzhen 518055 Guangdong China
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2
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Prasad SS, Joshi DR, Kim I. Facile Access to 3,4-Disubstituted 2H-Chromenes via Domino [4+2] Annulation. SYNTHESIS-STUTTGART 2020. [DOI: 10.1055/s-0040-1706089] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
AbstractA highly efficient synthetic route to polysubstituted 2H-chromenes was developed utilizing a domino O-alkylation/intramolecular Horner–Wadsworth–Emmons (HWE) olefination of diarylmethylphosphonates, which were readily accessed via Lewis acid mediated one-pot three-component coupling of aldehydes, phenols, and triethyl phosphite.
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3
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Wang L, Sharma A. The Quest for Orally Available Selective Estrogen Receptor Degraders (SERDs). ChemMedChem 2020; 15:2072-2097. [PMID: 32916035 DOI: 10.1002/cmdc.202000473] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/31/2020] [Indexed: 01/10/2023]
Abstract
Estrogen receptor-alpha (ERα) is the target of endocrine therapies for the treatment of more than 70 % of ERα-positive breast cancers. Selective estrogen receptor degraders (SERDs) antagonize estrogen binding and target the receptor for degradation, representing the last line of treatment for resistant metastatic breast cancer patients. However, the clinical efficacy of the lone clinically approved SERD (Fulvestrant) is limited by its poor oral bioavailability. Recently, several analogues of GW5638, an acrylic acid-based ERα ligand developed by Glaxo Research Institute in 1994, have been reported as promising orally bioavailable SERDs. Some of these compounds are currently in clinical trials, while various other structurally novel SERDs have also been reported by pharma as well as academic research groups. This review provides a critical analysis of the recent developments in orally available SERDs, with a focus on the structure-activity relationships, binding interactions and pharmacokinetic properties of these compounds.
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Affiliation(s)
- Lucia Wang
- Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, New Jersey, 07030, USA
| | - Abhishek Sharma
- Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, New Jersey, 07030, USA
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4
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Panda G, Kumar M SL. Versatile Synthesis of 4‐Aryl Chroman and 1‐Aryl Tetralins Through Metal‐Free Reductive Arylations. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801375] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Gautam Panda
- Academy of Scientific and Innovative Research 110001 New Delhi India
- BS 10/1, Sector 10 Jankipuram extension CSIR‐Central Drug Research Institute Sitapur Road 226031 Lucknow India
| | - Srinivas Lavanya Kumar M
- BS 10/1, Sector 10 Jankipuram extension CSIR‐Central Drug Research Institute Sitapur Road 226031 Lucknow India
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5
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Chen X, Song R, Liu Y, Ooi CY, Jin Z, Zhu T, Wang H, Hao L, Chi YR. Carbene and Acid Cooperative Catalytic Reactions of Aldehydes and o-Hydroxybenzhydryl Amines for Highly Enantioselective Access to Dihydrocoumarins. Org Lett 2017; 19:5892-5895. [DOI: 10.1021/acs.orglett.7b02883] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xingkuan Chen
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
| | - Runjiang Song
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
| | - Yingguo Liu
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
| | - Chong Yih Ooi
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
| | - Zhichao Jin
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
- Laboratory
Breeding Base of Green Pesticide and Agricultural Bioengineering,
Key Laboratory of Green Pesticide and Agricultural Bioengineering,
Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, People’s Republic of China
| | - Tingshun Zhu
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
| | - Hongling Wang
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
- Laboratory
Breeding Base of Green Pesticide and Agricultural Bioengineering,
Key Laboratory of Green Pesticide and Agricultural Bioengineering,
Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, People’s Republic of China
| | - Lin Hao
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
| | - Yonggui Robin Chi
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
- Laboratory
Breeding Base of Green Pesticide and Agricultural Bioengineering,
Key Laboratory of Green Pesticide and Agricultural Bioengineering,
Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, People’s Republic of China
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6
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Luo G, Chen M, Lyu W, Zhao R, Xu Q, You Q, Xiang H. Design, synthesis, biological evaluation and molecular docking studies of novel 3-aryl-4-anilino-2H-chromen-2-one derivatives targeting ERα as anti-breast cancer agents. Bioorg Med Chem Lett 2017; 27:2668-2673. [PMID: 28460819 DOI: 10.1016/j.bmcl.2017.04.029] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 03/16/2017] [Accepted: 04/11/2017] [Indexed: 01/07/2023]
Abstract
The estrogen receptor (ER) has played an important role in breast cancer development and progression and is a central target for anticancer drug discovery. In order to develop novel selective ERα modulators (SERMs), we designed and synthesized 18 novel 3-aryl-4-anilino-2H-chromen-2-one derivatives based on previously reported lead compounds. The biological results indicated that most of the compounds presented potent ERα binding affinity and possessed better anti-proliferative activities against MCF-7 and Ishikawa cell lines than the positive control tamoxifen. The piperidyl substituted compounds such as 16d and 18d demonstrated strong ERα binding affinities and excellent anti-proliferative activities respectively. Compound 18d displayed the most potent ERα binding affinity with RBA value of 2.83%, while 16d exhibited the best anti-proliferative activity against MCF-7 cells with IC50 value of 4.52±2.47μM. Further molecular docking studies were also carried out to investigate binding pattern of the newly synthesized compounds with ERα. All these results together with the structure-activity relationships (SARs) indicated that these 3-aryl-4-anilino-2H-chromen-2-one derivatives with basic side chain could serve as promising leads for further optimization as novel SERMs.
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Affiliation(s)
- Guoshun Luo
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China
| | - Mingqi Chen
- Laboratory of Biology, School of Higher Vocational Education, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, PR China
| | - Weiting Lyu
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China
| | - Ruheng Zhao
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China
| | - Qian Xu
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China
| | - Qidong You
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China
| | - Hua Xiang
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China.
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7
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Rao ML, Kumar A. Pd-catalyzed cross-coupling study of bi-functional 3-bromo-4-trifloxycoumarins with triarylbismuth reagents. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.05.060] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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8
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Degorce SL, Bailey A, Callis R, De Savi C, Ducray R, Lamont G, MacFaul P, Maudet M, Martin S, Morgentin R, Norman RA, Peru A, Pink JH, Plé PA, Roberts B, Scott JS. Investigation of (E)-3-[4-(2-Oxo-3-aryl-chromen-4-yl)oxyphenyl]acrylic Acids as Oral Selective Estrogen Receptor Down-Regulators. J Med Chem 2015; 58:3522-33. [DOI: 10.1021/acs.jmedchem.5b00066] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sébastien L. Degorce
- Oncology
Innovative Medicines Unit, AstraZeneca, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom
- Oncology
Innovative Medicines Unit, AstraZeneca, Centre de Recherches, Z.I. la Pompelle, BP1050, 51689 Reims Cedex 2, France
| | - Andrew Bailey
- Oncology
Innovative Medicines Unit, AstraZeneca, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom
| | - Rowena Callis
- Discovery
Sciences, AstraZeneca, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom
| | - Chris De Savi
- Oncology
Innovative Medicines Unit, AstraZeneca, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom
| | - Richard Ducray
- Oncology
Innovative Medicines Unit, AstraZeneca, Centre de Recherches, Z.I. la Pompelle, BP1050, 51689 Reims Cedex 2, France
| | - Gillian Lamont
- Oncology
Innovative Medicines Unit, AstraZeneca, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom
| | - Philip MacFaul
- Oncology
Innovative Medicines Unit, AstraZeneca, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom
| | - Mickael Maudet
- Oncology
Innovative Medicines Unit, AstraZeneca, Centre de Recherches, Z.I. la Pompelle, BP1050, 51689 Reims Cedex 2, France
| | - Scott Martin
- Oncology
Innovative Medicines Unit, AstraZeneca, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom
| | - Rémy Morgentin
- Oncology
Innovative Medicines Unit, AstraZeneca, Centre de Recherches, Z.I. la Pompelle, BP1050, 51689 Reims Cedex 2, France
| | - Richard A. Norman
- Discovery
Sciences, AstraZeneca, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom
| | - Aurélien Peru
- Oncology
Innovative Medicines Unit, AstraZeneca, Centre de Recherches, Z.I. la Pompelle, BP1050, 51689 Reims Cedex 2, France
| | - Jennifer H. Pink
- Oncology
Innovative Medicines Unit, AstraZeneca, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom
| | - Patrick A. Plé
- Oncology
Innovative Medicines Unit, AstraZeneca, Centre de Recherches, Z.I. la Pompelle, BP1050, 51689 Reims Cedex 2, France
| | - Bryan Roberts
- Oncology
Innovative Medicines Unit, AstraZeneca, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom
| | - James S. Scott
- Oncology
Innovative Medicines Unit, AstraZeneca, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom
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9
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Caldarelli A, Minazzi P, Canonico PL, Genazzani AA, Giovenzana GB. N-Arylbenzamides: extremely simple scaffolds for the development of novel estrogen receptor agonists. J Enzyme Inhib Med Chem 2011; 28:148-52. [DOI: 10.3109/14756366.2011.642374] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Antonio Caldarelli
- DISCAFF & DFB Center, Università degli Studi del Piemonte Orientale “A. Avogadro”, Novara, Italy
| | - Paolo Minazzi
- DISCAFF & DFB Center, Università degli Studi del Piemonte Orientale “A. Avogadro”, Novara, Italy
| | - Pier Luigi Canonico
- DISCAFF & DFB Center, Università degli Studi del Piemonte Orientale “A. Avogadro”, Novara, Italy
| | - Armando A. Genazzani
- DISCAFF & DFB Center, Università degli Studi del Piemonte Orientale “A. Avogadro”, Novara, Italy
| | - Giovanni B. Giovenzana
- DISCAFF & DFB Center, Università degli Studi del Piemonte Orientale “A. Avogadro”, Novara, Italy
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10
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The isochroman- and 1,3-dihydroisobenzofuran-annulation on carbohydrate templates via [2+2+2]-cyclotrimerization and synthesis of some tricyclic nucleosides. Tetrahedron 2010. [DOI: 10.1016/j.tet.2010.06.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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11
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12
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Ramana C, Suryawanshi SB. A [2+2+2]-cyclotrimerization approach for the synthesis of enantiopure isochromans using a carbohydrate derived dialkyne template. Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2007.11.103] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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13
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Abstract
The first enantioselective total synthesis of (S)-equol is reported. The described route relies on an Evans alkylation to form the stereocenter and an intramolecular Buchwald etherification to generate the chroman ring. Key features of this method include its brevity, its scalability, and the low cost of starting materials. [reaction: see text].
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Affiliation(s)
- Jennifer M Heemstra
- Obiter Research, LLC, 2004 South Wright Street Extended, Suite 110, Urbana, Illinois 61802, USA
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14
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Tan Q, Blizzard TA, Morgan JD, Birzin ET, Chan W, Yang YT, Pai LY, Hayes EC, DaSilva CA, Warrier S, Yudkovitz J, Wilkinson HA, Sharma N, Fitzgerald PMD, Li S, Colwell L, Fisher JE, Adamski S, Reszka AA, Kimmel D, DiNinno F, Rohrer SP, Freedman LP, Schaeffer JM, Hammond ML. Estrogen receptor ligands. Part 10: Chromanes: old scaffolds for new SERAMs. Bioorg Med Chem Lett 2005; 15:1675-81. [PMID: 15745820 DOI: 10.1016/j.bmcl.2005.01.046] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2004] [Revised: 01/18/2005] [Accepted: 01/19/2005] [Indexed: 11/27/2022]
Abstract
The discovery, synthesis, and SAR of chromanes as ER alpha subtype selective ligands are described. X-ray studies revealed that the origin of the ER alpha-selectivity resulted from a C-4 trans methyl substitution to the cis-2,3-diphenyl-chromane platform. Selected compounds from this class demonstrated very potent in vivo antagonism of estradiol in an immature rat uterine weight assay, effectively inhibited ovariectomy-induced bone resorption in a 42 days treatment paradigm, and lowered serum cholesterol levels in ovx'd adult rat models. The best antagonists 8F and 12F also exhibited potent inhibition of MCF-7 cell growth and were shown to be estrogen receptor down-regulators (SERDs).
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Affiliation(s)
- Qiang Tan
- Department of Medicinal Chemistry, Merck Research Laboratories, PO Box 2000, RY800-B107, Rahway, NJ 07065, USA.
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15
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Synthesis of Chromane Derivatives by Palladium-Catalyzed Intramolecular Allylation of Aldehydes with Allylic Acetates or Chlorides Using Indium and Indium(III) Chloride. B KOREAN CHEM SOC 2005. [DOI: 10.5012/bkcs.2005.26.5.711] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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16
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Liu J, Birzin ET, Chan W, Yang YT, Pai LY, Dasilva C, Hayes EC, Mosley RT, Dininno F, Rohrer SP, Schaeffer JM, Hammond ML. Estrogen receptor ligands. Part 11: Synthesis and activity of isochromans and isothiochromans. Bioorg Med Chem Lett 2005; 15:715-8. [PMID: 15664843 DOI: 10.1016/j.bmcl.2004.11.018] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2004] [Revised: 11/05/2004] [Accepted: 11/05/2004] [Indexed: 11/28/2022]
Abstract
The ring oxygen and sulfur analogs of lasofoxifene, 1a and 1b, were synthesized in an attempt to impart ERalpha selectivity, as found in the closely related dihydrobenzoxathiin compound I, recently discovered in these laboratories. The resulting isochroman and isothiochroman compounds were found to exhibit equipotent binding affinities to the ER isoforms and were less active in the inhibition of estradiol-triggered uterine growth when compared to I and lasofoxifene.
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Affiliation(s)
- Jian Liu
- Department of Medicinal Chemistry, Merck Research Laboratories, PO Box 2000, Rahway, NJ 07065, USA.
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17
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Barluenga J, Trincado M, Marco-Arias M, Ballesteros A, Rubio E, González JM. Intramolecular iodoarylation reaction of alkynes: easy access to derivatives of benzofused heterocycles. Chem Commun (Camb) 2005:2008-10. [PMID: 15834488 DOI: 10.1039/b500303b] [Citation(s) in RCA: 89] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The iodoarylation reaction of heteroatom-tethered omega-arylalkynes offers an efficient and straightforward entry to heterocycles. As a result, both C-C ring-closing from readily available precursors, and concomitant selective iodination take place. The first related study conducted in water is presented.
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Affiliation(s)
- José Barluenga
- Instituto Universitario de Química Organometálica Enrique Moles-Unidad Asociada al C.S.I.C., Universidad de Oviedo, C/Julián Claveria, 8, 33006-Oviedo, Spain.
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18
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Preparation of Chromane Derivatives via Indium-mediated Intramolecular Allylation Reactions. B KOREAN CHEM SOC 2004. [DOI: 10.5012/bkcs.2004.25.8.1123] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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19
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Høegh-Andersen P, Tankó LB, Andersen TL, Lundberg CV, Mo JA, Heegaard AM, Delaissé JM, Christgau S. Ovariectomized rats as a model of postmenopausal osteoarthritis: validation and application. Arthritis Res Ther 2004; 6:R169-80. [PMID: 15059281 PMCID: PMC400436 DOI: 10.1186/ar1152] [Citation(s) in RCA: 183] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2003] [Revised: 01/14/2004] [Accepted: 01/21/2004] [Indexed: 11/13/2022] Open
Abstract
We aimed to assess the effect of ovariectomy on cartilage turnover and degradation, to evaluate whether ovariectomized (OVX) rats could form an experimental model of postmenopausal osteoarthritis. The effect of ovariectomy on cartilage was studied using two cohorts of female Sprague–Dawley rats, aged 5 and 7 months. In a third cohort, the effect of exogenous estrogen and a selective estrogen receptor modulator was analyzed. Knee joints were assessed by histological analysis of the articular cartilage after 9 weeks. Cartilage turnover was measured in urine by an immunoassay specific for collagen type II degradation products (CTX-II), and bone resorption was quantified in serum using an assay for bone collagen type I fragments (CTX-I). Surface erosion in the cartilage of the knee was more severe in OVX rats than in sham-operated animals, particularly in the 7-month-old cohort (P = 0.008). Ovariectomy also significant increased CTX-I and CTX-II. Both the absolute levels of CTX-II and the relative changes from baseline seen at week 4 correlated strongly with the severity of cartilage surface erosion at termination (r = 0.74, P < 0.01). Both estrogen and the selective estrogen receptor modulator inhibited the ovariectomy-induced acceleration of cartilage and bone turnover and significantly suppressed cartilage degradation and erosion seen in vehicle-treated OVX rats. The study indicates that estrogen deficiency accelerates cartilage turnover and increases cartilage surface erosion. OVX rats provide a useful experimental model for the evaluation of the chondroprotective effects of estrogens and estrogen-like substances and the model may be an in vivo representation of osteoarthritis in postmenopausal women.
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20
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Christiansen LB, Wenckens M, Bury PS, Gissel B, Hansen BS, Thorpe SM, Jacobsen P, Kanstrup A, Jørgensen AS, Naerum L, Wassermann K. Synthesis and biological evaluation of novel thio-substituted chromanes as high-affinity partial agonists for the estrogen receptor. Bioorg Med Chem Lett 2002; 12:17-9. [PMID: 11738564 DOI: 10.1016/s0960-894x(01)00679-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Synthesis of (+/-)-cis-7-hydroxy-3-phenyl-4-(4-(2-piperidinoethanethio)phenyl)chromane (13) and (+/-)-cis-7-hydroxy-3-phenyl-4-(4-(2-pyrrolidinoethanethio)phenyl)chromane (15) is presented. These compounds are representatives of a novel class of compounds with high in vitro binding affinity for the estrogen receptor (IC(50)=7-10 nM), and very low in vitro uterotrophic activity (max stim.=5-17% rel to moxestrol; EC(50)=0.5-1.8 nM).
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Affiliation(s)
- Lise B Christiansen
- Health Care Discovery & Preclinical Development, Novo Nordisk A/S, Novo Nordisk Park, DK-2760, Måløv, Denmark.
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