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H. K.; Cho, Y. B.; Ryu, G. H.; Kim, T. S. US 5541183, 1996£¬Çó´ó¼ÒÄܲ¹³ä¶ÔÓ¦µÄChem Abstract ºÅÂ룬ллѽ£¡
ʵÀýÈçÏ£ºPark, H. K.; Lee, S. K.; Park, P. U.; Kwak, W. J. WO 9306107,
1993 [Chem. Abstr. 1993, 119, 138985].
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Äã¾ÙµÃÀý×ÓUS 5541183
Ginkgolide derivatives and a process for preparing them


By: Park, Pyeong-Uk; Pyo, Sungsoo; Lee, Suk-Kwan; Sung, Jin Heung; Kwak, Wie Jong; Park, Hwa-Kun; Cho, Yong-Baik; Ryu, Geun-Ho; Kim, Taek Soo

Assignee: Sunkyong Industries Co., Ltd., S. Korea

10-(O-substituted alkyl)ginkgolide B derivs. and some 1,10-di-O-alkyl analogs were prepd. from ginkgolide B.  The products are PAF inhibitors.  Thus, ginkgolide B was converted to its 10-(3,4-dichlorobenzyloxy) deriv. which had an ED50 for inhibition of PAF-induced platelet aggregation of 1.01X10-7 M.



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Accession Number


1995:916489
CAN123:314213
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