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2-Mercaptobenzothiazolylmethylpyrrole as a new means for the synthesis of pyrromethanes under neutral conditions

✍ Scribed by Kunisuke Okada; Kiyoshi Saburi; Keishi Nomura; Hideo Tanino

Book ID
104258961
Publisher
Elsevier Science
Year
1998
Tongue
French
Weight
158 KB
Volume
39
Category
Article
ISSN
0040-4039

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✦ Synopsis

lXe coupling reaction of 2-mercaptobenzothiazolyhnethylpyrrole 4b with a-free pyrrole 2b in the presence of silver (l) triflate proceeds smoothly at room tempemture to give pyrromethane lb in excellent yield 4b reacts rapidly with pyrromethane lb undo similar neutml conditions to afford symmetric pyrromethane 7 in preparative yield.

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