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A New Synthesis of Thiophenes and Condensed Thiophenes by Ring Closure of Disulfides 1, 2

✍ Scribed by CAMPAIGNE, E.; CLINE, RICHARD E.


Book ID
120386819
Publisher
American Chemical Society
Year
1956
Tongue
English
Weight
701 KB
Volume
21
Category
Article
ISSN
0022-3263

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## Abstract Naphthalene‐1‐sulfonic acid dimethylamides were treated with __n__‐BuLi and elemental sulfur or selenium to afford dinaphtho[1,2‐__b__:2β€²,1′‐__d__]thiophenes and selenophenes, respectively. This is the first example of making two Cο£ΏS/Se bonds and a Cο£ΏC bond in a single step at room temp