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Double 1,3‐dipolar cycloadditions of meso‐ionic heterocycles with N ‐phenylmaleimide
Author(s) -
Nan'ya Seiko,
Goto Shinya,
Butsugan Yasuo
Publication year - 1990
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570270564
Subject(s) - chemistry , ionic bonding , dipole , computational chemistry , organic chemistry , ion
3‐Phenylsydnone and 2,4‐diphenyl‐3‐methyloxazolium 5‐oxide undergo double 1,3‐dipolar cycloadditions with two molecules of N ‐phenylmaleimide to produce 4,8‐iminobenzo[1,2‐ c :4,5‐ c ′]dipyrrole‐1,3,5,7‐tetrone derivatives in a stereoselective manner.