Central-to-axial chirality transfer and induced circular dichroism in 6,7-dihydro-5H-dibenz[c,e]azepine derivatives of α- and β-amino esters
作者:Laurence Dutot、Karen Wright、Michel Wakselman、Jean-Paul Mazaleyrat、Cristina Peggion、Marta De Zotti、Fernando Formaggio、Claudio Toniolo
DOI:10.1016/j.tetlet.2008.03.087
日期:2008.5
DAZ-Xaa∗-OMe amino ester derivatives with Xaa∗ = d/l-Ala, d/l-Val, l-Leu, l-Ile, l-Ser, l-β3-HAla, l-β3-HVal, l-β3-HLeu, (1S,2S)/(1R,2R)-ACHC (2-aminocyclohexanecarboxylic acid) and (1S,2S)/(1R,2R)-ACPC (2-aminocyclopentanecarboxylic acid), N-blocked as 6,7-dihydro-5H-dibenz[c,e]azepines (DAZ), have been synthesized and evaluated for the determination of the absolute configuration of α- and β-amino esters
DAZ-的Xaa * -OMe氨基酯与衍生物的Xaa * = d / L丙氨酸,d / L-Val取代,1-亮氨酸,L-异亮氨酸,L-丝氨酸,L-β 3 -HAla,1-β 3 -HVal ,1-β 3 -HLeu,(1小号,2小号)/(1 - [R,2 - [R)-ACHC(2-氨基环己烷羧酸)和(1小号,2小号)/(1 - [R,2 - [R)-ACPC( (2-氨基环戊烷羧酸),被N-保护为6,7-二氢-5 H -dibenz [ c,e已合成] azazines(DAZ)并通过联苯发色团的诱导圆二色性评估α-和β-氨基酯的绝对构型,并对其进行了评估。