81375-33-9Relevant articles and documents
RING TRANSFORMATIONS OF HETEROCYCLES VIA YLIDE INTERMEDIATES: SYNTHESIS OF HEXAHYDRO-2,3-DIAZEPINOINDOLES FROM TETRAHYDRO-γ-CARBOLINES
Tamura, Yasumitsu,Morita, Iwao,Tsubouchi, Hidetsugu,Ikeda, Hiroyuki,Ikeda, Masazumi
, p. 163 - 166 (2007/10/02)
N-Amination of 2-methyl-2,3,4,5-tetrahydro-1H-pyridoindoles with O-(p-toluenesulfonyl)-N-alkylhydroxylamines followed by base treatment gave the ring expanded products, 1,2,3,4,5,6-hexahydro-2,3-diazepinoindoles.