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Diazine‐substituted tert ‐butylureas and tert ‐butylthioureas and a convenient access to the related carbodiimides
Author(s) -
Heinisch Gottfried,
Matuszczak Barbara,
Pürstinger Gerhard,
Rakowitz Dietmar
Publication year - 1995
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.5570320102
Subject(s) - chemistry , diazine , thiourea , urea , combinatorial chemistry , medicinal chemistry , organic chemistry
An efficient procedure for the preparation of diazine‐substituted urea and thiourea derivatives 3a‐c, 5a‐c is proposed. On attempts to prepare the related S ‐methylisothioureas 6a‐c under phase‐transfer conditions smooth conversion into carbodiimides 7a‐c was found to occur.