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Year 2005, Month 1 (Section Full Articles, Page 226)

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

N. E. Golantsov, A. V. Karchava, V. M. Nosova, and M. A. Yurovskaya*

4-Substituted 1,2,3,4-tetrahydropyrazino[1,2-a]indoles were synthesized from 2-cyanoindole. (R)-4-Methyl-1,2,3,4-tetrahydropyrazino[1,2-a]indole was obtained by the Mitsunobu reaction. Stereoselective reduction of 4-substituted 1,2,3,4-tetrahydropyrazino[1,2-a]indoles gave 4-substituted 1,2,3,4,10,10a-hexahydropyrazino[1,2-a]indoles. (4R,10aR)-4-Methyl- 1,2,3,4,10,10a-hexahydropyrazino[1,2-a]indole was synthesized.

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