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Iminium carbonic acid derivative salts. VIII . Electrophilic reactions of 2‐methylthio‐5,6‐dihydro‐1,3‐thiazinium iodides, 2‐methylthio‐5,6‐dihydrothiazolium iodides and 5‐methyl‐2‐methylthiothiazolium iodides. Part II . With active methylene compounds
Author(s) -
Hanefeld Wolfgang,
Harms Helge
Publication year - 1997
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.5570340538
Subject(s) - chemistry , iminium , electrophile , derivative (finance) , medicinal chemistry , carbonic acid , organic chemistry , salt (chemistry) , catalysis , financial economics , economics
The title compounds 1a‐c and 2 werre reacted with several doubly activated methylene components to yield the cyclic ketene S,N ‐acetals 3‐10 .
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