Amaranzoles B− F, Imidazole-2-carboxy Steroids from the Marine Sponge Phorbas amaranthus. C24-N-and C24-O-Analogues from a Divergent Oxidative …

BI Morinaka, JR Pawlik, TF Molinski

Index: Yamanaka; Mizugaki; Sakamoto; et al. Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 12 p. 4549 - 4553

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Citation Number: 14

Abstract

... Department of Chemistry and Biochemistry. ‡ Skaggs School of Pharmacy and Pharmaceutical Sciences. ... 2) which showed a weak cross peak between H24 and the carbonyl signal (δ 158.8, s, (C═O)O). The latter is consistent with the carboxyl chemical shifts of ...