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Acta Chimica Sinica ›› 1990, Vol. 48 ›› Issue (12): 1185-1190. Previous Articles Next Articles
Original Articles
宋礼成;李宇;胡青眉;刘容刚
发布日期:
SONG LICHENG;LI YU;HU QINGMEI;LIU RONGGANG
Published:
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The first chemoselective transformations of oridonin (I) to eriocalyxin B (II), dehydroeriocalyxin A (III) and their analogs-14-hydroxyeriocalyxin B (IV) and 14-hydroxydehydroeriocalyxin A (V) are described. The overall yield of II and III from I is 11 and 10% in six and seven steps, resp. The overall yield of IV and V from I is 57 and 49% in four and five steps, resp.
Key words: CRYSTAL STRUCTURE DETERMINATION, PHOSPHORUS CHLORIDE, INFRARED SPECTROPHOTOMETRY, ELEMENTAL ANALYSIS, IRON COMPLEX, PROTON MAGNETIC RESONANCE SPECTROMETRY, CARBONYL COMPOUNDS, BENZOYL CHLORIDE P, BRIDGE COMPOUNDS, ELECTROPHILIC REACTION
CLC Number:
O611.662
SONG LICHENG;LI YU;HU QINGMEI;LIU RONGGANG. Reaction of some electophiles with Et3Nh[.......[J]. Acta Chimica Sinica, 1990, 48(12): 1185-1190.
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