Iminium carbonic acid derivative salts. XII . electrophilic reactions of 2‐methylthio‐4,5‐dihydrothiazolium iodides, 5‐methyl‐2‐methylthiothiazolium iodides and 2‐methylthio‐5,6‐dihydro‐1,3‐thiazinium iodides. part III . With Vinylogous and Phenylogous Active Methylene Compounds
Abstract 3‐Benzyl‐2‐memyltmo‐4,5‐dmydrothiazolium iodide ( 1 ), 5‐metlyl‐2‐methylthio‐3‐phenethylthiazolium iodide ( 4 ) and 3‐methyl and 3‐benzyl‐2‐methylthio‐5,6‐dihydro‐1,3‐thiazinium iodides 7a, b were reacted with the vinylogous doubly activated CH‐acidic compounds 2a‐d and the phenylogous doub...
| Published in: | Journal of Heterocyclic Chemistry |
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| Main Authors: | , |
| Format: | Article in Journal/Newspaper |
| Language: | English |
| Published: |
Wiley
1998
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| Subjects: | |
| Online Access: | http://dx.doi.org/10.1002/jhet.5570350110 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fjhet.5570350110 https://onlinelibrary.wiley.com/doi/pdf/10.1002/jhet.5570350110 |
| Summary: | Abstract 3‐Benzyl‐2‐memyltmo‐4,5‐dmydrothiazolium iodide ( 1 ), 5‐metlyl‐2‐methylthio‐3‐phenethylthiazolium iodide ( 4 ) and 3‐methyl and 3‐benzyl‐2‐methylthio‐5,6‐dihydro‐1,3‐thiazinium iodides 7a, b were reacted with the vinylogous doubly activated CH‐acidic compounds 2a‐d and the phenylogous doubly activated components 8, 11, 16, 19 and 21 to yield new types of S, N ‐heterocycles 3, 5, 6, 9, 10, 12, 13, 14, 15 with the partial structure of push‐pull substituted butadienes and 17, 18, 20, 22, 23 and 24 with the character of push‐pull substituted phenyl ketene S, N ‐acetals. |
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