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1D. Structure, conformation and configuration 23. Reassignment of absolute configuration of 19-substituted 19-hydroxysteroids

✍ Scribed by K. Shibata; W.L. Duax; Y. Osawa

Book ID
118924661
Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
131 KB
Volume
5
Category
Article
ISSN
0022-4731

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Reevaluation of 13 C NMR data in combination with X-ray diffraction and VCD studies led us to reassign the structure of (Γ€)-epi-presilphiperfolan-1-ol (1), isolated from Anemia tomentosa var. anthriscifolia, to (Γ€)-9-epi-presilphiperfolan-1-ol (2) and to establish its absolute configuration as 1S,4S