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Comparative computational studies for nucleophilic aromatic substitution of dinitro-substituted benzannulated heterocycles with 1H-1,2,3-triazole. Struct Chem 2022. [DOI: 10.1007/s11224-022-01993-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Yu Q, Zhang J, Wu F, Liu X, Wang C, Zhang J, Rong L. Propargyl Chalcones' Radical Annulation/Sulfonation Reaction: Efficient Synthesis of Benzo[ b]oxepin-5(2 H)-one and Chromane Derivatives. J Org Chem 2022; 87:7136-7149. [PMID: 35607936 DOI: 10.1021/acs.joc.2c00361] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A novel and facile methodology for the synthesis of sulfonated benzo[b]oxepinone and chromane derivatives was reported by the reaction of propargyl chalcones with arylsulfonyl chloride via radical cascade annulation/sulfonation under laboratory conditions. Readily available propargyl chalcones, commercialized arylsulfonyl chloride, and simple reaction conditions make this six(seven)-membered oxygen-containing heterocycles' synthetic strategy more attractive and with significant application values.
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Affiliation(s)
- Qiuyu Yu
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
| | - Jinghang Zhang
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
| | - Fan Wu
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
| | - Xiaoqin Liu
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
| | - Chang Wang
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China.,School of Pharmaceutical Sciences, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250117, Shandong, PR China
| | - Jinpeng Zhang
- Key Lab of Environment and Health, School of Public Health, Xuzhou Medical University, Xuzhou 221004, Jiangsu, PR China
| | - Liangce Rong
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
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Cao D, Zhang K, An R, Xu H, Hao S, Yang X, Hou Z, Guo C. The Efficient Synthesis of Benzannulated Seven-Membered O-Heterocycles via the Intramolecular Ring-Opening Cyclization of Cyclopropanes. Org Lett 2019; 21:8948-8951. [PMID: 31674790 DOI: 10.1021/acs.orglett.9b03260] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient and practical approach for the synthesis of substituted benzannulated seven-membered O-heterocycles from cyclopropane derivatives is described. The transformation proceeds via Lewis acid mediated ring opening of cyclopropanes followed by a concomitant 7-endo-tet cyclization to furnish the 4-benzoyl-3,4-dihydrobenzo[b]oxepin-5(2H)-one derivatives in excellent yields (up to 92%). This potentially general method is featured by its high atom economy, broad substrate scope, and mild reaction conditions. Moreover, the representative products exhibited selective antifungal activity in vitro against the fungus Cryptococcus neoformans. Therefore, the present reaction will be useful for the development of novel antifungal therapeutic reagents.
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Affiliation(s)
- Dongpo Cao
- Key Laboratory of Structure-Based Drugs Design and Discovery (Ministry of Education), School of Pharmaceutical Engineering , Shenyang Pharmaceutical University , Shenyang 110016 China
| | - Kaipeng Zhang
- Key Laboratory of Structure-Based Drugs Design and Discovery (Ministry of Education), School of Pharmaceutical Engineering , Shenyang Pharmaceutical University , Shenyang 110016 China
| | - Ran An
- Key Laboratory of Structure-Based Drugs Design and Discovery (Ministry of Education), School of Pharmaceutical Engineering , Shenyang Pharmaceutical University , Shenyang 110016 China
| | - Hang Xu
- Key Laboratory of Structure-Based Drugs Design and Discovery (Ministry of Education), School of Pharmaceutical Engineering , Shenyang Pharmaceutical University , Shenyang 110016 China
| | - Shuang Hao
- Key Laboratory of Structure-Based Drugs Design and Discovery (Ministry of Education), School of Pharmaceutical Engineering , Shenyang Pharmaceutical University , Shenyang 110016 China
| | - Xiaoguang Yang
- Key Laboratory of Structure-Based Drugs Design and Discovery (Ministry of Education), School of Pharmaceutical Engineering , Shenyang Pharmaceutical University , Shenyang 110016 China
| | - Zhuang Hou
- Key Laboratory of Structure-Based Drugs Design and Discovery (Ministry of Education), School of Pharmaceutical Engineering , Shenyang Pharmaceutical University , Shenyang 110016 China
| | - Chun Guo
- Key Laboratory of Structure-Based Drugs Design and Discovery (Ministry of Education), School of Pharmaceutical Engineering , Shenyang Pharmaceutical University , Shenyang 110016 China
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Mangina NSVMR, Kadiyala V, Guduru R, Goutham K, Sridhar B, Karunakar GV. Gold-Catalyzed Intramolecular Regioselective 7-exo-dig Cyclization To Access 3-Methylene-3,4-dihydrobenzo[b]oxepinones. Org Lett 2016; 19:282-285. [DOI: 10.1021/acs.orglett.6b03433] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- N. S. V. M. Rao Mangina
- Crop
Protection Chemicals Division, ‡Academy of Scientific and Innovative
Research, and ∥Center for X-ray Crystallography, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - Veerabhushanam Kadiyala
- Crop
Protection Chemicals Division, ‡Academy of Scientific and Innovative
Research, and ∥Center for X-ray Crystallography, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - Ravinder Guduru
- Crop
Protection Chemicals Division, ‡Academy of Scientific and Innovative
Research, and ∥Center for X-ray Crystallography, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - Kommuru Goutham
- Crop
Protection Chemicals Division, ‡Academy of Scientific and Innovative
Research, and ∥Center for X-ray Crystallography, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - Balasubramanian Sridhar
- Crop
Protection Chemicals Division, ‡Academy of Scientific and Innovative
Research, and ∥Center for X-ray Crystallography, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - Galla V. Karunakar
- Crop
Protection Chemicals Division, ‡Academy of Scientific and Innovative
Research, and ∥Center for X-ray Crystallography, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
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Mangina NSVMR, Suresh S, Sridhar B, Karunakar GV. Gold(iii)-catalyzed synthesis of aroylbenzo[b]oxepin-3-ones from ortho-O-propargyl-1-one substituted arylaldehydes. Org Biomol Chem 2016; 14:3526-35. [PMID: 26974816 DOI: 10.1039/c5ob02676h] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient gold-catalyzed intramolecular cyclization of ortho-O-propargyl-1-one substituted arylaldehydes has been achieved for the generation of substituted aroylbenzo[b]oxepin-3-one derivatives in moderate to good yields. This synthetic transformation proceeds via gold-catalysed oxidation of the internal alkyne moiety followed by an intramolecular condensation leading to seven-membered oxacycles.
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Affiliation(s)
- N S V M Rao Mangina
- Crop Protection Chemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India.
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Clark WG. Changes in body temperature after administration of antipyretics, LSD, delta 9-THC and related agents: II. Neurosci Biobehav Rev 1987; 11:35-96. [PMID: 3033566 DOI: 10.1016/s0149-7634(87)80003-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Antipyretics, in particular acetaminophen, aspirin and ibuprofen, constitute the single most important class of drugs used therapeutically for an effect on body temperature. Hallucinogens exert prominent actions on the central nervous system, and it is not surprising that, like so many other centrally-acting agents, they too often affect temperature. This compilation primarily covers the considerable amount of data published from 1981 through 1985 on the interactions of these drugs and thermoregulation, but data from many earlier papers not included in a previous compilation are also tabulated. The effects of agents not classically considered as antipyretics on temperatures of febrile subjects are also covered. The information listed includes the species used, the route of administration and dose of drug, the environmental temperature at which experiments were performed, the number of tests, the direction and magnitude of change in body temperature and remarks on special conditions, such as age or brain lesions. Also indicated is the influence of other drugs, such as antagonists, on the response to the primary agent.
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Nakamura H, Yokoyama Y, Motoyoshi S, Seto Y, Kadokawa T, Shimizu M. Inhibition of prostaglandin generation in the rabbit brain in-vivo by AD-1590, a non-steroidal anti-inflammatory agent with potent antipyretic activity. J Pharm Pharmacol 1985; 37:894-8. [PMID: 2868098 DOI: 10.1111/j.2042-7158.1985.tb04996.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The inhibition of prostaglandin generation by AD-1590 was investigated in the rabbit brain in-vivo. AD-1590 (0.4 mg kg-1 i.v.) markedly prevented both the increases in body temperature and PGE2 level in cerebrospinal fluid (CSF) caused by i.v. injection of lipopolysaccharide. On the other hand, 2,4-dinitrophenol (20 mg kg-1 i.v.)-induced hyperthermia, which was not affected by AD-1590, was not accompanied by an increase in PGE2 level in CSF. When injected intracerebroventricularly, AD-1590 dose-dependently inhibited the hyperthermia caused by arachidonic acid given by the same route; its ED50 was 1.6 micrograms compared with about 35 micrograms for indomethacin. From these results, it is suggested that AD-1590 is more active than indomethacin in suppressing prostaglandin synthetase in rabbit brain.
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Nakamura H, Yokoyama Y, Seto Y, Kadokawa T, Shimizu M. Central versus peripheral sites of antipyretic action of a non-steroidal anti-inflammatory agent, AD-1590, in rabbits. AGENTS AND ACTIONS 1984; 15:606-11. [PMID: 6335820 DOI: 10.1007/bf01966782] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The site of antipyretic action of AD-1590 in the sequential process involved in the development of fever caused by bacterial pyrogen (LPS) was investigated in rabbits. AD-1590 (1 microgram/ml) did not inactivate both LPS and leucocytic pyrogen (LP) and did not affect the generation of LP in the in vitro test. AD-1590 (0.1 mg/kg i.v.) prevented the fever caused by LP as well as LPS, but did not prevent the fever by PGE2 (100 ng/rabbit) injected into the preoptic anterior hypothalamic (PO/AH) regions. A significant antipyretic effect of AD-1590 on LPS-fever was found when AD-1590 (4 micrograms/rabbit) was injected into the PO/AH regions. AD-1590 (0.4 mg/kg i.v.) did not produce anti-pyretic activity against 2,4-dinitrophenol-hyperthermia; the monoamine levels in the brain were not affected with AD-1590 (10 mg/kg p.o.). These results suggest that AD-1590, like acidic non-steroidal anti-inflammatory drugs, produces its antipyretic action through the central mechanisms.
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