immonium salts in the presence of bromobenzylbromide derivatives gave 1-(bromobenzyl)-isoquinoline derivatives in moderate yields. This reaction is useful in the synthesis of several natural alkaloids as exemplified in the synthesis of Cularine.
Novel zinc-promoted alkylation of iminium salts. New synthesis of benzylisoquinoline, phthalidylisoquinoline, and protoberberine alkaloids and related compounds
New electroreductive synthesis of phthalide alkaloids1)
作者:Tatsuya Shono、Yoshihiro Usui、Hiroshi Hamaguchi
DOI:10.1016/s0040-4039(00)74573-4
日期:1980.1
The first synthesis of 6-(phenylethynyl)-substituted tetrahydroazocino[5,4-b]indoles
作者:Leonid G. Voskressensky、Alexander A. Titov、Maxim S. Kobzev、Reza Samavati、Roman S. Borisov、Larisa N. Kulikova、Aleksey V. Varlamov
DOI:10.1007/s10593-016-1831-9
日期:2016.1
The reaction of 2-methyl-1-(phenylethynyl)-2,3,4,9-tetrahydro-1De-beta-carboline with activated alkynes in acetonitrile led to the formation of 1-vinyl-substituted beta-carbolines and condensed azocines.
Ishida, Akihiko; Nakamura, Tohru; Irie, Kunihiko, Chemical and pharmaceutical bulletin, 1982, vol. 30, # 11, p. 4226 - 4229