A novel and facile synthesis of dienals and substituted 2H-pyrans via the Vilsmeier reaction of alpha-oxo-ketenedithioacetals

A novel and facile synthesis of dienals (3a, 3b) and substituted 2H-pyrans (4c, 4d) from a series of alpha-oxo ketene-dithioacetals containing a methyl group adjacent to the carbonyl group (1a - d) via the Vilsmeier reaction has been developed and a mechanism for the reactions has been proposed.

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Bibliographic Details
Published inOrganic & biomolecular chemistry Vol. 2; no. 1; pp. 28 - 30
Main Authors Liu, YC, Dong, DW, Liu, Q, Qi, YM, Wang, Z
Format Journal Article
LanguageEnglish
Published CAMBRIDGE Royal Soc Chemistry 07.01.2004
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
REAGENTS
EFFICIENT ROUTE
QUINOLINES
CARBAZOLES
OXOKETENE DITHIOACETALS
PYRIDINES
SALTS
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Summary:A novel and facile synthesis of dienals (3a, 3b) and substituted 2H-pyrans (4c, 4d) from a series of alpha-oxo ketene-dithioacetals containing a methyl group adjacent to the carbonyl group (1a - d) via the Vilsmeier reaction has been developed and a mechanism for the reactions has been proposed.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1477-0520
1477-0539
DOI:10.1039/b313977h