beta-Lactam (+/-)-N-benzyl-4-phenyl-azetidin-2-one rac-6a was converted into the gamma-lactam (+/-)-traps-4,5-diphenyl-pyrrolidin-2-one rac-5 which was resolved via the preparation of diastereomers with N-phthalyl-L-alanine chloride or D-alanine chloride and its absolute configuration was determined by X-ray crystallographic analysis. This heterocycle has potential as a chiral gamma-lactam in asymmetric induction due to the steric effects of its phenyl groups. (C) 2003 Elsevier Science Ltd. All rights reserved.
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Birla Inst Technol & Sci, Med Chem Res Lab, Pharm Grp, Pilani 333031, Rajasthan, IndiaBirla Inst Technol & Sci, Med Chem Res Lab, Pharm Grp, Pilani 333031, Rajasthan, India
Shalini, M.
Yogeeswari, P.
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Birla Inst Technol & Sci, Med Chem Res Lab, Pharm Grp, Pilani 333031, Rajasthan, IndiaBirla Inst Technol & Sci, Med Chem Res Lab, Pharm Grp, Pilani 333031, Rajasthan, India
Yogeeswari, P.
Sriram, D.
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Birla Inst Technol & Sci, Med Chem Res Lab, Pharm Grp, Pilani 333031, Rajasthan, IndiaBirla Inst Technol & Sci, Med Chem Res Lab, Pharm Grp, Pilani 333031, Rajasthan, India
Sriram, D.
Stables, J. P.
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NIH, Preclin Pharmacol Sect, Epilepsy Branch, Bethesda, MD 20892 USABirla Inst Technol & Sci, Med Chem Res Lab, Pharm Grp, Pilani 333031, Rajasthan, India
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ACAD SINICA,SHANGHAI INST ORGAN CHEM,ORGANOMET CHEM LAB,345 LINGLING LU,SHANGHAI 200032,PEOPLES R CHINAACAD SINICA,SHANGHAI INST ORGAN CHEM,ORGANOMET CHEM LAB,345 LINGLING LU,SHANGHAI 200032,PEOPLES R CHINA
WANG, WB
SHI, LL
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ACAD SINICA,SHANGHAI INST ORGAN CHEM,ORGANOMET CHEM LAB,345 LINGLING LU,SHANGHAI 200032,PEOPLES R CHINAACAD SINICA,SHANGHAI INST ORGAN CHEM,ORGANOMET CHEM LAB,345 LINGLING LU,SHANGHAI 200032,PEOPLES R CHINA
SHI, LL
LI, ZQ
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ACAD SINICA,SHANGHAI INST ORGAN CHEM,ORGANOMET CHEM LAB,345 LINGLING LU,SHANGHAI 200032,PEOPLES R CHINAACAD SINICA,SHANGHAI INST ORGAN CHEM,ORGANOMET CHEM LAB,345 LINGLING LU,SHANGHAI 200032,PEOPLES R CHINA
LI, ZQ
HUANG, YZ
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ACAD SINICA,SHANGHAI INST ORGAN CHEM,ORGANOMET CHEM LAB,345 LINGLING LU,SHANGHAI 200032,PEOPLES R CHINAACAD SINICA,SHANGHAI INST ORGAN CHEM,ORGANOMET CHEM LAB,345 LINGLING LU,SHANGHAI 200032,PEOPLES R CHINA