A Convenient Synthetic Route to Derivatives of 1,2,3,4-Tetrahydroisoquinoline-1-carboxylic Acid
作者:Alexander F. Khlebnikov、Tat'yana Yu. Nikiforova、Mikhail S. Novikov、Rafael R. Kostikov
DOI:10.1055/s-1997-1402
日期:1997.6
Alkyl esters and amides of 1,3,3-trisubstituted 1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid as well as 1,2,3,4-tetrahydro-1-(4,5-dihydroimidazol-2-yl)- and 1,2,3,4-tetrahydro-1-(1,4,5,6-tetrahydropyrimidin-2-yl)-1,3,3-trimethylisoquinolines are readily obtained in two steps by the reaction of 3,4-dihydroisoquinolines with dichlorocarbene followed by ring opening of the resulting gem-dichloroaziridine by oxygen and nitrogen nucleophiles.
1,3,3-三取代-1,2,3,4-四氢异喹啉-1-羧酸的烷基酯和酰胺,以及1,2,3,4-四氢-1-(4,5-二氢咪唑-2-基)-和1,2,3,4-四氢-1-(1,4,5,6-四氢嘧啶-2-基)-1,3,3-三甲基异喹啉可以通过两步反应方便地获得:首先是3,4-二氢异喹啉与二氯烯烃反应,然后由氧和氮核苷体打开生成的gem-二氯氮杂环的环。