STEREOSELECTIVE SYNTHESIS OF GIROLLINE

被引:12
|
作者
AHOND, A [1 ]
ALMOURABIT, A [1 ]
BEDOYAZURITA, M [1 ]
HENG, R [1 ]
BRAGA, RM [1 ]
POUPAT, C [1 ]
POTIER, P [1 ]
机构
[1] CNRS,INST CHIM SUBST NAT,F-91198 GIF SUR YVETTE,FRANCE
关键词
GIROLLINE SYNTHESIS; 2-AMINOIMIDAZOLE; D(-)ARABINOSE; 4(5)[1'; 2'; 3'-TRIHYDROXYPROPYL]IMIDAZOLE; RHODIUM REDUCTION;
D O I
10.1016/S0040-4020(01)80443-9
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Desaminogirollines syn 2'S,3'S and 2'R,3'R have been prepared from N1-camphosulfonamide 4-carboxaldehyde imidazole and their diastereoisomeric derivatives have been separated. The stereoselective synthesis of chiral natural girolline has been achieved from D(-)arabinose: this ose is condensed with formamidine acetate to obtain a 4(5)-[1',2',3'-trihydroxypropyl]-imidazole; the side-chain is chlorinated before being aminated via an azido compound and the 2-amino group of girolline is obtained by rhodium catalytic reduction of the 2-diazo derivative.
引用
收藏
页码:4327 / 4346
页数:20
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