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meso-Phbox-Pd(II) catalyzed tandem carbonylative cyclization of 1-ethynyl-1-propargyl acetate.

Authors
  • Kato, Keisuke
  • Teraguchi, Ryuhei
  • Motodate, Satoshi
  • Uchida, Akira
  • Mochida, Tomoyuki
  • Peganova, Tat'yana A
  • Vologdin, Nikolai V
  • Akita, Hiroyuki
Type
Published Article
Journal
Chemical Communications
Publisher
The Royal Society of Chemistry
Publication Date
Aug 21, 2008
Issue
31
Pages
3687–3689
Identifiers
DOI: 10.1039/b806207b
PMID: 18665300
Source
Medline
License
Unknown

Abstract

Palladium(II) catalyzed carbonylation of 1-ethynyl-1-propargyl acetate is described; in the absence of the bisoxazoline (box) ligand, the second triple bond did not react, affording cyclic orthoesters and . The use of meso-Phbox-Pd(ii) strikingly changed the course of the reaction, yielding bicyclic lactone by tandem carbonylative cyclization as a result of insertion of the second triple bond.

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