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Chemische Bestimmung der absoluten Konfiguration der Lysergsäure 54. Mitteilung über Mutterkornalkaloide
Author(s) -
Stadler P. A.,
Hofmann A.
Publication year - 1962
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19620450636
Subject(s) - chemistry , performic acid , stereochemistry , lysergic acid , methylene , organic chemistry
The absolute configuration of natural lysergic acid was determined as (5 R :8 R ) by ozonisation of 6‐methyl‐8‐methylene‐7‐keto‐ergolene and subsequent oxidation with performic acid to D ‐N‐methyl‐aspartic acid which was identified in the form of its di‐n‐propyl ester.