Aryl participated cyclisations involving indane derivatives a total synthesis of (±)-isolongifolene
摘要:
A total synthesis of (+/-)-isolongifolene (1) has been accomplished using intramolecular anionic cyclisation of the bromophenol 2 as the key step. Aryl participated intramolecular cyclisation of the diazomethyl ketones 17 and 23 provided the dienediones 18 and 24 which were stereo-selectively converted into the diketones 19 and 25 respectively.
Aryl participated cyclisations involving indane derivatives a total synthesis of (±)-isolongifolene
摘要:
A total synthesis of (+/-)-isolongifolene (1) has been accomplished using intramolecular anionic cyclisation of the bromophenol 2 as the key step. Aryl participated intramolecular cyclisation of the diazomethyl ketones 17 and 23 provided the dienediones 18 and 24 which were stereo-selectively converted into the diketones 19 and 25 respectively.
Facile synthesis of (±)-isolongifolene and (±)-isolongifolenedione involving Ar1-5 cyclisations
作者:Manuka Ghosal、Tapan Kr. Karpha、Subrata Kr. Pal、Debabrata Mukherjee
DOI:10.1016/0040-4039(95)00298-q
日期:1995.4
Facile syntheses of (+/-)-isolongifolene 2 and (+/-)-isolongifolenedione 20 have been accomplished utilising aryl participated cyclisations of the bromophenol 15 and the diazoketone 11 respectively as the key steps.