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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
来源:
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.
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页码:4327 / 4346
页数:20
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