A NOVEL SYNTHESIS OF ALPHA-HALONAPHTHALENES AND BETA-HALONAPHTHALENES VIA REGIOSELECTIVE RING CLEAVAGE OF ARYL(GEM-DIHALOCYCLOPROPYL)METHANOLS AND ITS APPLICATION TO TOTAL SYNTHESIS OF LIGNAN LACTONES, JUSTICIDIN-E AND TAIWANIN-C

被引:31
作者
SEKO, S [1 ]
TANABE, Y [1 ]
SUZUKAMO, G [1 ]
机构
[1] SUMITOMO CHEM CO LTD,TAKATSUKI RES LAB,TAKATSUKI,OSAKA 569,JAPAN
关键词
D O I
10.1016/S0040-4039(00)97197-1
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Acid treatment of two types of aryl(gem-dihalocyclopropyl)methanols (ADCM) 1 gave α- and β-halonaphthalenes in good yields with excellent selectivity. With the new method used as the key step, the two title natural lignan lactones were synthesized in seven steps. © 1990.
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页码:6883 / 6886
页数:4
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