Organocatalytic asymmetric direct α-alkynylation of cyclic β-ketoesters.

DOI Number:

10.1021/ja067289q
Link to literature

Reaction Category:

Alkynylation

Educt:

cyclic beta-ketoesters, allyl 3-bromopropiolate

Product:

tert-butyl (S)-2-(3-(allyloxy)-3-oxoprop-1-yn-1-yl)-1-oxo-2,3-dihydro-1H-indene-2-carboxylate

Catalyst:

(9S)-1-(9-anthracenylmethyl)-10,11-dihydro-9-[(tricyclo[3.3.1.13,7]dec-1-ylcarbonyl)oxy]-cinchonanium chloride

Cas No:

916656-34-3

Associated Product from Buchler GmbH:

Dihydrocinchonine Base

Cas No:

485-65-4