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A Novel Method for the Oxidation of Thiophenes. Synthesis of Thiophene 1,1-Dioxides Containing Electron-Withdrawing Substituents.

✍ Scribed by V. G. Nenajdenko; A. M. Moiseev; E. S. Balenkova


Publisher
John Wiley and Sons
Year
2005
Weight
20 KB
Volume
36
Category
Article
ISSN
0931-7597

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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