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Palladium(II)-Catalyzed Tandem Cyclic Carbopalladation-Vinylation of Enyne Compounds

✍ Scribed by Hironari Yamada; Sakae Aoyagi; Chihiro Kibayashi*

Book ID: 104256891
Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 545 KB
Volume: 38
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(97)00526-1

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✦ Synopsis

Upon treatment with catalytic Pd2(dba)3*CHC13 in the presence of AcOH, the enyne compounds were subjected to hydropalladation followed by cyclic carbopalladation to form the homoallylpalladium complexes, which subsequently underwent in situ Stille type cross coupling with various vinyltin reagents to give the cyclized products bearing allyl appendages. @1997 ElsevierScienceLtd.

We have recently reportedl the total synthesis of streptazolin (1) and dihydrostreptazolin (2) utilizing

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