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Synthesis of a pyrrolo[1,4]benzodiazepinequinone
被引:8
|作者:
Tapia, RA
[1
]
Centella, CR
[1
]
Valderrama, JA
[1
]
机构:
[1] Pontificia Univ Catolica Chile, Fac Quim, Santiago 22, Chile
关键词:
D O I:
10.1080/00397919908086212
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Condensation of 3,6-dimethoxy-2-nitrobenzoyl chloride with L-proline methyl ester afforded amide 4, which underwent reductive cyclization with iron(II) sulfate and ammonium hydroxide to yield pyrrolobenzodiazepine 5. Oxidation of 5 with ammonium cerium(IV) nitrate led to the new heterocyclic quinone 6 in 53% overall yield.
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页码:2163 / 2168
页数:6
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