Acetylenes from Atractylis koreana.
A reinvestigation of the rhizomes of ATRACTYLIS KOREANA afforded in addition to 1,3-diacetoxytetradeca-6,12-diene-8,10-diyne reported previously (1) two new C (14)-polyacetylenes with an ene-diyn-ene-chromophor and one new C (14)-polyacetylene beside two known compounds with an ene-diyne-diene-chromophor. Their structures were established by spectroscopic and chemical methods.
Pachaly
P
P
Pharmazeutisches Institut der Universität Bonn, Kreuzbergweg 26, D-5300 Bonn, Federal Republic of Germany.
Lansing
A
A
Neugebauer
M
M
Sin
K S
KS