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Lignans from Mosla scabra

Wang, Q.
Terreaux, Christian
Marston, Andrew
Tan, R. X.
Published in Phytochemistry. 2000, vol. 54, p. 909-912
Abstract Two new cyclobutane-type lignans, named moslolignans A and B, together with two known ones, andamanicin and magnosalin, were isolated from the whole plant of Mosla scabra. Their structures were established as 1 beta*,2 beta*,3 alpha*,4 alpha*-l,2-dimethyl-3-(3- methoxy-4,5-methylene-dioxyphenyl)-4-(2,4,5-trimethoxyphenyl)-cyclobutane and 1 beta*,2 beta*,3 alpha*,4 alpha"-1,2-dimethyl-3-(2,5-dimethoxy-3,4-methylenedioxyphenyl)-4-(2,4, 5-trimethoxyphenyl)-cyclobutane by spectroscopic methods. This is the first report of naturally-occurring cyclobutane-type lignans with asymmetrical substitutions. (C) 2000 Elsevier Science Ltd. All rights reserved.
Keywords mosla scabralamiaceaecyclobutane-type lignanmoslolignan amoslolignan bandamanicinmagnosalinmagnoshininneolignan
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