Novel pyridine-catalyzed reaction of dimethyl acetylenedicarboxylate with aldehydes: Formal [2 + 2] cycloaddition leading to 2-oxo-3-benzylidinesuccinates

Organic Letters

Volumn 3, Issue 22, 2001, Pages 3495-3497

  Nair, Vijay ^a   Sreekanth, A Ramachandran ^a   Vinod, A Unni ^a  

^a REGIONAL RESEARCH LABORATORY CSIR   (India)

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EID: 0000165369     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol016550z     Document Type: Article

References (23)

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15. 7: C, 53.25; H, 3.78; N, 4.78. Found: C, 53.40; H, 3.79; N, 4.91.
16. Recently Shindo et al. have proposed the mechanism for the [2 + 2] cycloaddition reactions of alkynoates with carbonyl compounds involving an oxetene intermediate, see: (a) Shindo, M.; Sato, Y.; Shishido, K. Tetrahedron Lett. 1998, 39, 4857.
17. (b) Shindo, M.; Sato, Y.; Shishido, K. J. Am. Chem. Soc. 1999, 121, 6507.
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