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Asymmetric synthesis of 1-aryl and 1,3-diarylcyclopentenes by the Heck reaction of 1-sulfinylcyclopentenes with iodoarenes

✍ Scribed by Juan Carlos de la Rosa; Nuria Dı́az; Juan C Carretero

Book ID: 104210341
Publisher: Elsevier Science
Year: 2000
Tongue: French
Weight: 178 KB
Volume: 41
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)00579-7

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✦ Synopsis

The asymmetric synthesis of 1-aryl and 1,3-diarylcyclopentenes by Heck reaction of (R)-1-[o-(N,Ndimethylamino)phenylsufinyl]cyclopentene with iodoarenes is described.

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## Dedicated to Professor Dr. Fritz Sauter on the occasion of his 75 th birthday 1-Acetyl-and 1-propionyl-2-pyrazolines 11-27 have been synthesized by the reaction of (3coumarinyl)chalcones 1-10 with hydrazine in hot acetic acid or propionic acid. While 5-aryl-3-(3coumarinyl)-1-phenyl-2-pyrazoline