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Zhang Q, Zhang M, Wang D, Zhao Y, Yu Z. Comparison of intestinal permeability and p-glycoprotein effects on the intestinal absorption of enantiomers of 2-(2-hydroxypropanamido) benzoic acid in rats. Chirality 2016; 29:26-32. [PMID: 27992072 DOI: 10.1002/chir.22662] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The purpose of this study was to compare intestinal permeability between enantiomers of 2-(2-hydroxypropanamido) benzoic acid ((R)-/(S)-HPABA), a marine-derived antiinflammatory drug, using an in situ single-pass intestinal perfusion (SPIP) model in rats. Concentrations, isolated regions of small intestine, and p-glycoprotein (P-gp) inhibitor were performed to investigate their influences on the intestinal absorption of (R)-/(S)-HPABA. In addition, a molecular docking method was performed to illustrate our prediction. The absorption rate coefficients (Ka ) and permeability values (Peff ) of (R)-/(S)-HPABA were calculated. The permeability of (S)-HPABA was significantly (P < 0.01) higher than that of (R)-HPABA in jejunum, and ileum permeability of (R)-/(S)-HPABA appeared best in ileum; the investigated concentrations ranged from 20 to 80 μg/mL, Ka and Peff values of (R)-/(S)-HPABA increased linearly; in the presence of P-gp inhibitor (verapamil), Peff values of two enantiomers were increased significantly; and the effect of P-gp on absorption of (R)-HPABA is stronger than that of (S)-HPABA in ileum segment. Based on these results, carrier-mediated transport or passive transport combined with carrier-mediated transport seems to be the mechanism for intestinal absorption of (R)-/(S)-HPABA, and (R)-/(S)-HPABA may be recognized as the P-gp substrate. In addition, the intestinal permeability of (S)-HPABA is higher than that of (R)-HPABA.
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Affiliation(s)
- Qili Zhang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, People's Republic of China
| | - Meiyan Zhang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, People's Republic of China
| | - Danlin Wang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, People's Republic of China
| | - Yunli Zhao
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, People's Republic of China
| | - Zhiguo Yu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, People's Republic of China
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2
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Sung JY, Choi SH, Hyun MH. Preparation of a New Chiral Stationary Phase Based on Macrocyclic Amide Chiral Selector for the Liquid Chromatographic Chiral Separations. Chirality 2016; 28:253-8. [DOI: 10.1002/chir.22569] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 11/20/2015] [Accepted: 11/20/2015] [Indexed: 11/06/2022]
Affiliation(s)
- Ji Yeong Sung
- Department of Chemistry; Pusan National University; Busan Republic of Korea
| | - Seung Hyuck Choi
- Department of Chemistry; Pusan National University; Busan Republic of Korea
| | - Myung Ho Hyun
- Department of Chemistry; Pusan National University; Busan Republic of Korea
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3
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Chu VM, Kim KT, Kim SH, Lee W, Lee KC, Nguyen VL, Hoang VL, Lee YK, Park KR, Jung SH, Kang JS. Chiral pharmacokinetics of zaltoprofen in rats by HPLC with solid-phase extraction. J Pharm Biomed Anal 2012; 70:567-73. [PMID: 22703836 DOI: 10.1016/j.jpba.2012.05.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2012] [Revised: 05/11/2012] [Accepted: 05/14/2012] [Indexed: 11/27/2022]
Abstract
We investigated the pharmacokinetic profile of (R)- and (S)-zaltoprofen (ZPF) in rats using rapid and selective liquid chromatography with solid-phase extraction (SPE). The ZPF enantiomers were extracted from a small volume of plasma (0.2 mL) by means of SPE using cartridges and were analyzed on a Chiralcel OJ-H (4.6 mm × 150 mm, 5 μm) column with ultraviolet detection at 244 nm. The lower limit of quantification of the ZPF enantiomers in plasma was 0.1μg/mL. The validated method was successfully applied to chiral pharmacokinetic studies of oral administration of racemic ZPF to rats. (S)-ZPF showed significantly higher AUC, T(max), and C(max) and a longer half-life than (R)-ZPF, indicating higher bioavailability of the (S)-isomer. A total of 8 samples (about 12% of the total number of samples) were selected for incurred sample reanalysis (ISR). The % difference between the re-assay concentrations and the original concentrations were all less than 15% of their mean values and met the acceptance criteria for ISR.
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Affiliation(s)
- Van Men Chu
- College of Pharmacy, Chungnam National University, Daejeon 305-764, Republic of Korea
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4
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Park JY, Jin KB, Hyun MH. Liquid chromatographic resolution of 3-amino-1,4-benzodiazepin-2-ones on crown ether-based chiral stationary phases. Chirality 2012; 24:427-31. [DOI: 10.1002/chir.22041] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Accepted: 02/11/2012] [Indexed: 11/09/2022]
Affiliation(s)
- Je Young Park
- Department of Chemistry and Chemistry Institute for Functional Materials; Pusan National University; Busan; 609-735; Korea
| | - Kab Bong Jin
- Department of Chemistry and Chemistry Institute for Functional Materials; Pusan National University; Busan; 609-735; Korea
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5
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Park JY, Cho HS, Hyun MH. Liquid chromatographic resolution of 3-amino-1,4-benzodiazepin-2-one derivatives on various Pirkle-type chiral stationary phases. Chirality 2011; 23 Suppl 1:E16-21. [DOI: 10.1002/chir.20944] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2010] [Accepted: 12/09/2010] [Indexed: 11/08/2022]
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6
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Choi HJ, Ha HJ, Shin MS, Jin JS, Hyun MH. Preparation of a New π-Basic Chiral Stationary Phase Based on Cefaclor and the Liquid Chromatographic Resolution of π-Acidic Analytes. J LIQ CHROMATOGR R T 2009. [DOI: 10.1080/10826070903091589] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Hee Jung Choi
- a Department of Chemistry and Chemistry Institute for Functional Materials , Pusan National University , Busan, Republic of Korea
| | - Hyun Ju Ha
- a Department of Chemistry and Chemistry Institute for Functional Materials , Pusan National University , Busan, Republic of Korea
| | - Min Seob Shin
- a Department of Chemistry and Chemistry Institute for Functional Materials , Pusan National University , Busan, Republic of Korea
| | - Jong Sung Jin
- b High Technology Components & Materials Research Team , Korea Basic Science Institute , Busan, Republic of Korea
| | - Myung Ho Hyun
- a Department of Chemistry and Chemistry Institute for Functional Materials , Pusan National University , Busan, Republic of Korea
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7
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Preparation and Application of a New Liquid Chromatographic Chiral Stationary Phase Based on Cefaclor. B KOREAN CHEM SOC 2008. [DOI: 10.5012/bkcs.2008.29.11.2135] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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8
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Liquid Chromatographic Resolution of Racemic 1,4-Benzodiazepin-2-ones on a Chiral Stationary Phase Based on N,N'-Bis-(3,5-dinitrobenzoyl)-2,3-diamino-1,4-butandiol. B KOREAN CHEM SOC 2008. [DOI: 10.5012/bkcs.2008.29.9.1850] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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9
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Liquid Chromatographic Resolution of Racemic 1,4-Benzodiazepin-2-ones on Pirkle-type Chiral Stationary Phases Based on (S)-Leucine. B KOREAN CHEM SOC 2005. [DOI: 10.5012/bkcs.2005.26.5.823] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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10
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Avdagić A, Lesac A, Majer Z, Hollòsi M, Šunjić V. Lipase-Catalyzed Acetylation of 3-Substituted 2,3-Dihydro-1H-1,4-benzodiazepin-2-ones: Effect of temperature and conformation on enantioselectivity and configuration. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19980810558] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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11
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Cirilli R, Costi R, Di Santo R, Artico M, Roux A, Gallinella B, Zanitti L, La Torre F. Enantioselective liquid chromatography of C3-chiral 2,3-dihydro-1,2,5-benzothiadiazepin-4(5H)-one and thione 1,1-dioxides on polyacrylamide- and polysaccharide-based chiral stationary phases. J Chromatogr A 2003; 993:17-28. [PMID: 12735434 DOI: 10.1016/s0021-9673(03)00321-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Optically active synthetic and semisynthetic polymers were utilized as chiral stationary phases (CSPs) for the direct chromatographic enantioseparation of a series of 8-chloro-2,3-dihydro-3-methyl-1,2,5-benzothiadiazepin-4(5H)-one and thione 1,1-dioxide. Evaluation of stereochemical integrity of chiral analytes was assessed by enantioselective temperature and flow-dependent HPLC. A stopped-flow high-performance liquid chromatography (sfHPLC) procedure was developed for the determination of the rate constants and free energy barriers of enantiomerization of enantiomers of 8-chloro-2-(3-methylbut-2-enyl)-2,3-dihydro-3-methyl-1,2,5-benzothiadiazepin-4(5H)-thione 1,1-dioxide (compound 2) in the presence of Chiraspher and Chiralcel OD CSPs. In order to study the chiroptical properties of the individual enantiomers of analytes investigated, semipreparative chromatographic resolutions were performed. The assignment of the absolute configuration was empirically established by comparing the CD spectra of the separated enantiomers with those obtained from structural analogues.
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Affiliation(s)
- R Cirilli
- Laboratorio di Chimica del Farmaco, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy.
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12
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6.4. Polarimetry, ORD and CD spectroscopy. ACTA ACUST UNITED AC 2000. [DOI: 10.1016/s1464-3456(00)80039-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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13
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Enantiomeric separations of benzodiazepines by electrochemically modulated liquid chromatography. J Chromatogr A 1998. [DOI: 10.1016/s0021-9673(98)00701-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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14
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Salvadori P, Bertucci C, Ascoli G, Uccello-Barretta G, Rossi E. Direct resolution, characterization, and stereospecific binding properties of an atropisomeric 1,4-benzodiazepine. Chirality 1997; 9:495-505. [PMID: 9329179 DOI: 10.1002/(sici)1520-636x(1997)9:5/6<495::aid-chir16>3.0.co;2-j] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The chromatographic resolution of 7-chloro-1,3-dihydro-1-(1,1-dimethylethyl)-5- (2-fluorophenyl)-2H-1,4-benzodiazepin-2-on (7), the 2'-fluoro, N1-tertbutyl analogue of diazepam, was attained on both analytical and preparative (mgs) scales, by using several chiral stationary phases (CSPs). The stereochemistry of this compound was characterized by means of 1H-NMR Nuclear Overhauser Effect (NOE) analysis. The single enantiomers of 7 were tested for their configuration and stereochemical stability by circular dichroism (CD), and their interaction with the central nervous system (CNS) benzodiazepine receptor was assayed, showing a significant difference in their binding affinities. Protein binding studies with human serum albumin (HSA, the main benzodiazepine carrier in human plasma) immobilized on a silica stationary phase revealed that HSA also preferentially binds one stereoisomer of 7. However, both on line CD detection and stereospecific interaction with other common drugs clearly demonstrated that the stereoselectivity of immobilized HSA for 7 is opposite to that for all the other studied benzodiazepines. In addition, HSA stereoselectivity for 7 is opposite to CNS receptor binding stereoselectivity for the same compound. Such HSA anomalous stereoselectivity for 7 was also confirmed in aqueous buffer solution by competitive displacement studies. Compared to other chiral 1,4-benzodiazepines, compound 7 thus shows several anomalous binding properties: HSA and the CNS receptor demonstrated opposite enantioselective discrimination; HSA has reversed enantioselectivity for compound 7; and HSA stereospecifically binds the low-affinity enantiomer.
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Affiliation(s)
- P Salvadori
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Italy
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15
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Abstract
Due to their identical chemical and physical properties, the separation of enantiomers has been considered one of the most difficult challenges in chemistry from both an analytical or a preparative viewpoint. With the development and commercialization of many new or improved chiral stationary phases and chiral additives, interest in enantiomeric separation by HPLC has grown tremendously in the last two decades. Cyclodextrins and modified cyclodextrins are widely used chiral selectors. They are used as either the chiral stationary phases, as chiral mobile phase additives, or as chiral counter-ions. This review describes the historical development of derivatized and underivatized cyclodextrins in HPLC and their various applications.
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Affiliation(s)
- S M Han
- Department of Pharmaceutical Technologies (UP9200), Smithkline Beecham Pharmaceuticals, Collegeville, PA 19426, USA
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16
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Bertucci C, Demuro A, Giannaccini G. HPLC resolution of C5 chiral 4,5-dihydro-1,4-benzodiazepines: stereochemical characterization and enantioselective GABAA receptor binding. J Pharm Biomed Anal 1997; 15:803-9. [PMID: 9172106 DOI: 10.1016/s0731-7085(96)01908-5] [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: 02/04/2023]
Abstract
HPLC resolution on chiral stationary phases has been successfully employed to obtain single enantiomers of C5 chiral 4,5-dihydro-1,4-benzodiazepines and to determine the enantiomeric composition of the collected stereoisomeric fractions. The absolute configuration of the prevailing enantiomer has been assigned on the basis of the circular dichroism spectra, as compared with that of the structural analogue (5R)- and (5S)-dihydrodiazepam. The single enantiomers, assayed for their binding to the central nervous system receptor, showed relatively low affinity but significant differences in displacing radioactively labelled flunitrazepam from specific benzodiazepine site. GABA shift experiments allowed the classification of these benzodiazepines as partial agonist or antagonist.
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Affiliation(s)
- C Bertucci
- Centro Studio CNR Macromolecole Stereordinate Otticamente Attive, Dipartimento di Chimica e Chimica Industriale, Pisa, Italy
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17
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Demuro A, Burgio M, Berton F, Francesconi W, Bertucci C. Allosteric modulation by single enantiomers of a C3-chiral 1,4-benzodiazepine of the gamma aminobutyric acid type A receptor channel expressed in Xenopus oocytes. Chirality 1997; 9:286-90. [PMID: 9176994 DOI: 10.1002/(sici)1520-636x(1997)9:3<286::aid-chir14>3.0.co;2-j] [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: 02/04/2023]
Abstract
Xenopus laevis oocytes injected with Poly(A)(+)-RNA isolated from neuronal tissue express membrane proteins peculiar to the origin of mRNA. The translation of gamma aminobutyric acid type A (GABAA) receptors has been shown by dose/ response behavior of GABA and the reversible blockade of the GABA-induced current by picrotoxin. This current was analyzed quantitatively under two electrode voltage-clamp conditions. This methodology has been applied for the first time to study the functional properties of the receptor as a function of the stereochemistry of the ligands. The (+)-S and (-)-R enantiomers of a water-soluble benzodiazepine derivative, 7-chloro-1,3-dihydro-3-hemisuccinyloxy-5-phenyl-1,4-benzodiazep in-2-one (OXHEM), obtained by preparative high performance liquid chromatographic (HPLC) resolution on chiral stationary phase, act as agonists in the in vitro modulation of the chloride channel. The (+)-S-OXHEM enantiomer was the more active.
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Affiliation(s)
- A Demuro
- Dipartimento di Fisiologia e Biochimica G. Moruzzi, Pisa, Italy
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18
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Fitos I, Visy J, Simonyi M, Hermansson J. Separation of enantiomers of benzodiazepines on the Chiral-AGP column. J Chromatogr A 1995. [DOI: 10.1016/0021-9673(95)00444-r] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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19
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Francotte E. Contribution of preparative chromatographic resolution to the investigation of chiral phenomena. J Chromatogr A 1994. [DOI: 10.1016/0021-9673(94)80419-2] [Citation(s) in RCA: 113] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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20
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Chapter 9 The use of circular dichroism as a liquid chromatographic detecto. ACTA ACUST UNITED AC 1994. [DOI: 10.1016/s0167-9244(08)70182-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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21
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Bertucci C, Salvadori P, Belfiore S, Martini C, Lucacchini A. Characterization of the enantiomeric 3-substituted-1,4-benzodiazepin-2-ones binding to the GABA-BDZ-chloride ionophore receptor complex. J Pharm Biomed Anal 1992; 10:359-63. [PMID: 1324740 DOI: 10.1016/0731-7085(92)80053-p] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- C Bertucci
- Centro Studio del CNR per le Macromolecole Stereordinate Otticamente Attive, Dipartimento di Chimica e Chimica Industriale, Pisa, Italy
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22
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Abstract
Three N,N-dimethylcarbamyl derivatives of oxazepam (1-(N,N-dimethylcarbamyl)oxazepam, 3-O-(N,N-dimethylcarbamyl)oxazepam, and 1,3-O-bis(N,N-dimethylcarbamyl) oxazepam) and a 3-O-acyl-1-(N,N-dimethylcarbamyl)-oxazepam were synthesized from either oxazepam or demoxepam. Enantiomeric pairs of these derivatives and of camazepam were resolved by high-performance liquid chromatography on at least two of three commercially available chiral stationary phase columns employed. Absolute configurations of resolved enantiomers were established by comparing their circular dichroism spectra to those of enantiomeric oxazepams with known absolute stereochemistry. Similar to those of oxazepam, enantiomers of 1-(N,N-dimethylcarbamyl)oxazepam undergo rapid racemization (t1/2 1.9 min at 23 degrees C and 0.9 min at 37 degrees C) in an aqueous solution at pH 7.5. The (R)-enantiomer of rac-3-O-acyl-1-(N,N-dimethylcarbamyl)oxazepam was hydrolyzed approximately 4.6-fold faster than the (S)-enantiomer by esterases in rat liver microsomes, whereas the (S)-enantiomer was hydrolyzed approximately 43-fold faster than the (R)-enantiomer by esterases in rat brain S9 fraction.
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Affiliation(s)
- S K Yang
- Department of Pharmacology, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland 20814-4799
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Bertucci C, Domenici E, Salvadori P. Circular dichroism detection in high-performance liquid chromatography: evaluation of the anisotropy factor. J Pharm Biomed Anal 1990; 8:843-6. [PMID: 2100630 DOI: 10.1016/0731-7085(90)80130-h] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The application of a circular dichroism (c.d.) detection system in HPLC using a chiral stationary phase is presented. The simultaneous measurement of the absorbance and c.d. signal allows the evaluation of the anisotropy factor (g = delta epsilon/epsilon) and thus the determination of the enantiomeric excess (e.e.) of the eluates. When this detection system is used in preparative chiral chromatography the collection of the enantiomeric fractions can be readily optimized.
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Affiliation(s)
- C Bertucci
- Centro di Studio del C.N.R. per le Macromolecole Stereordinate ed Otticamente Attive, Dipartimento di Chimica e Chimica Industriale, Universitá di Pisa, Italy
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