First one-pot organocatalytic synthesis of α-methylene-γ-lactones.

DOI Number:

10.1039/C2CC38659C
Link to literature

Reaction Category:

Lactonization

Educt:

3-substituted 5-(tert-butyl) 1-methyl 2-methylenepentanedioate, diethyl 2-((tert-butoxycarbonyl)oxy)malonate

Product:

α-methylene-γ-lactones

Catalyst:

1,4-Bis(9-O-dihydroquinidinyl)phthalazine ((DHQD)2PHAL)

Cas No:

140853-10-7

Associated Product from Buchler GmbH:

1,4-Bis(9-O-dihydroquinidinyl)phthalazine ((DHQD)2PHAL)

Cas No:

140853-10-7