Stereoselective Synthesis of Alkyl α-(1,3-Alkadien-2-yl)acetates and -propionates by Allene Claisen Rearrangement

Autor:	Christian Wolff, Dieter Hoppe, Ulrike Behrens
Rok vydání:	1991
Předmět:	chemistry.chemical_classification Stereochemistry Allene Organic Chemistry Enol Catalysis Claisen rearrangement chemistry.chemical_compound chemistry Stereoselectivity Orthoester Aliphatic compound Propionates Alkyl
Zdroj:	Synthesis. 1991:644-646
ISSN:	1437-210X 0039-7881
DOI:	10.1055/s-1991-26534
Popis:	Configurationally homogeneous (4-hydroxy-1,2-alkadienyl) N,N-diisopropylcarbamates react with trialkyl orthocarboxylates to afford the title compounds stereoselectively. Stereochemical assignment of the highly substituted 1,3-alkadienes is accomplished NMR-spectroscopically by means of couplings constants 3 j ( 13 C- 1 ) or 3 j( 29 Si- 1 H)
Databáze:	OpenAIRE
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