Synthese de methoxycarbonyl-2 methoxy-2 tetrahydropyrannols-3
✍ Scribed by Alfred Saroli; Alain Doutheau
- Book ID
- 104228058
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- French
- Weight
- 217 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
✦ Synopsis
An oxidative cyclisation of methyl 6-hydroxy P-methoxy 2-hexenoate S and heptenoate 11 leading to title compounds is described. This method has been applied to the synthesis of a methyl glycopyranoside of a methyl heptulosonate.
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## Abstract The reaction sequences shown in schemes 3 and 4, represent a new method for the synthesis of a substituted pyridone‐system, starting from a vinylogous amide or thioamide and malonic ester.
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