In:
European Journal of Organic Chemistry, Wiley, Vol. 2010, No. 9 ( 2010-03), p. 1711-1716
Kurzfassung:
A clean and general DBU‐catalyzed epimerization at C‐12a position of the tadalafil‐like tetracyclic compounds has been fully studied. In addition, by using this clean epimerization as the key step, four stereomers of 6‐ d 1 ‐tadalafil were stereodivergently synthesized from both L ‐ and D ‐tryptophan methyl ester hydrochlorides and deuterated piperonal.
Materialart:
Online-Ressource
ISSN:
1434-193X
,
1099-0690
DOI:
10.1002/ejoc.v2010:9
DOI:
10.1002/ejoc.200901378
Sprache:
Englisch
Verlag:
Wiley
Publikationsdatum:
2010
ZDB Id:
1475010-7