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Alkylation of lithium dienediolates of butenoic acids. Regioselectivity effects of structure and leaving group of the alkylating agent

✍ Scribed by Maria J. Aurell; Salvador Gil; Ramon Mestres; Margarita Parra; Lilian Parra

Book ID
104208501
Publisher
Elsevier Science
Year
1998
Tongue
French
Weight
553 KB
Volume
54
Category
Article
ISSN
0040-4020

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πŸ“œ SIMILAR VOLUMES

Lithium enediolates and dienediolates of
Lithium enediolates and dienediolates of carboxylic acids in synthesis: Alkylation with secondary halides
✍ Eva M. Brun; Salvador Gil; RamΓ³n Mestres; Margarita Parra πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 French βš– 947 KB

High yields in the alkylation of dianions of ex,l~-unsaturated carboxylic acids with secondary halides can be obtained despite elimination reactions occurring, cx-Regioseleetivity for the alkylation of but-2-enoic acids (1-4) is seldom obtained. Although double bond stereoselectivity is higher than