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Stereoselective synthesis of 4-substituted 1,2,3,4,10,10a-hexahydropyrazino[1,2-a]indoles

✍ Scribed by N. E. Golantsov; A. V. Karchava; V. M. Nosova; M. A. Yurovskaya

Publisher
Springer
Year
2005
Tongue
English
Weight
323 KB
Volume
54
Category
Article
ISSN
1573-9171

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## Abstract The preparation of 3‐amino‐ and 3‐dialkylamino‐4‐cyanoazepino[3,4‐fc]indoles bearing substituents on the aromatic nucleus and N^10^ is outlined. Starting from suitable substituted ethyl 3‐formylindole‐2‐carboxy‐latcs 2, condensation with malononitrile (3) and subsequent sodium borohydri