EXPERIMENTS DIRECTED TOWARDS THE SYNTHESIS OF ANTHRACYCLINONES .19. ELABORATION OF 2-FORMYLQUINIZARIN THROUGH A WITTIG REACTION

被引:2
作者
BONIFACE, PJ [1 ]
CAMBIE, RC [1 ]
CARROLL, DR [1 ]
MARSH, NF [1 ]
MILBANK, JBJ [1 ]
RUTLEDGE, PS [1 ]
WOODGATE, PD [1 ]
机构
[1] UNIV AUCKLAND,DEPT CHEM,PRIVATE BAG 92019,AUCKLAND,NEW ZEALAND
关键词
D O I
10.1071/CH9940441
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Reaction of 2-formylquinizarin dimethyl ether (3) with the dimethoxy ylide (6) gives an alpha,beta-unsaturated ester (8) which on hydrogenation, reduction and methylation gives the tetramethoxyanthracene diester (18). When linked to work by Dotz and Popall this sequence provides a route to (+/-)-4-demethoxydaunomycinone.
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页码:441 / 449
页数:9
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