Enantioselective Syntheses of α‐exo‐Methylene‐Lactones via Organocatalytic Halolactonization.
DOI Number:
10.1002/adsc.201900728
Reaction Category:
MOP ID:
MOP_0000551
Educt:
4-(1H-inden-3-yl)-2-methylenebutanoic acid, N-bromsuccinimid
Product:
(1S,2S)-2-bromo-2,3,4',5'-tetrahydrospiro[indene-1,2'-pyran]-6'(3'H)-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