Asymmetric induction by the (S)-1-phenylethyl group in intramolecular nitrile imine cycloadditions giving enantiopure 3,3a-dihydro-pyrazolo[1,5-α][1,4]benzodiazepine-4(6H)-ones

被引：18

作者：

Broggini, G

Casalone, G

Garanti, L

Molteni, G

Pilati, T

Zecchi, G

机构：

[1] Univ Milan, Dipartimento Chim Organ & Ind, I-20133 Milan, Italy

[2] Univ Insubria, Dipartimento Sci Chim Fis & Matemat, I-22100 Como, Italy

[3] Univ Milan, CSRSRC, Ctr Studio Relaz Strutt & Reattiv Chim, I-20133 Milan, Italy

来源：

TETRAHEDRON-ASYMMETRY | 1999年 / 10卷 / 22期

关键词：

D O I：

10.1016/S0957-4166(99)00493-0

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Stereoselective intramolecular cycloadditions of homochiral nitrile imines 5 are described as a fruitful source of enantiopure 3,3a-dihydro-pyrazolo[1,5-a][1,4]benzodiazepine-4(6H)-ones 6 and 7. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：4447 / 4454

页数：8

共 16 条

[1] SIR92 - a program for automatic solution of crystal structures by direct methods
ALTOMARE, A
CASCARANO, G
GIACOVAZZO, G
GUAGLIARDI, A
BURLA, MC
POLIDORI, G
CAMALLI, M
[J]. JOURNAL OF APPLIED CRYSTALLOGRAPHY, 1994, 27 : 435 - 435
[2] ANNUNZIATA R, 1989, GAZZ CHIM ITAL, V119, P253
[3] The first case of asymmetric induction in intramolecular nitrile imine cycloadditions: synthesis of enantiopure 3-substituted 6-oxo-2,3,3a,5-tetrahydro-4-carbomethoxy-furo[3,4-c]pyrazoles
Broggini, G
Garanti, L
Molteni, G
Zecchi, G
[J]. TETRAHEDRON-ASYMMETRY, 1999, 10 (03) : 487 - 492
[4] Burnett M.N., 1996, ORTEP-III: Oak Ridge Thermal Ellipsoid Plot Program for Crystal Structure Illustrations
[5] CINQUINI M, 1995, STEREOSELECTIVE SY C, V21, P2953
[6] GENERAL DEFINITION OF RING PUCKERING COORDINATES
CREMER, D
POPLE, JA
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1975, 97 (06) : 1354 - 1358
[7] CURRAN DP, 1988, ADV CYCLOADDITION, V1, P129
[8] ELGUERO J, 1985, COMPREHENSIVE HETERO, V5, P182
[9] Diastereoselection: Introduction
Gung, BW
le Noble, B
[J]. CHEMICAL REVIEWS, 1999, 99 (05) : 1067 - 1068
[10] THERMODYNAMIC DATA FOR OLEFIN AND ACETYLENE COMPLEXES OF TRANSITION-METALS
HARTLEY, FR
[J]. CHEMICAL REVIEWS, 1973, 73 (02) : 163 - 190

← 1 2 →