Enantioselective Syntheses of α‐exo‐Methylene‐Lactones via Organocatalytic Halolactonization.

DOI Number:

10.1002/adsc.201900728

Reaction Category:

Educt:

4-(2-bromophenyl)-2-methylenepent-4-enoic acid, N-bromsuccinimid

Product:

(R)-5-(bromomethyl)-5-(2-bromophenyl)-3-methylenedihydrofuran-2(3H)-one

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