Synthesis of Lactam and Ketone Precursors of 2,7-Substituted Octahydropyrrolopyrazines and Octahydro-2H-pyridopyrazines
This report describes the synthesis of the hexahydropyrrolopyrazin-6(2H)-ones 6, the hexahydropyrrolopyrazin-7(6H)-ones 7, and the hexahydro-2H-pyridopyrazin-7(6H)-ones 8, precursors of 2,7-substituted octahydropyrrolo- and octahydro-
Branden, Stefan Van den,Compernolle, Frans,Hoornaert, Georges J.
p. 1035 - 1042
(2007/10/02)
Synthesis of 2,5-Substituted Piperidines and Their Bicyclic Piperazine Analogues: The 2,7-Substituted Octahydro-2H-pyridopyrazines
Partial and complete reduction of the key compound 1-benzyl-5-(ethylenedioxy)-2-piperidinecarbonitrile (1) was applied to generate the corresponding aldehyde 2 and primary amine 3.These were transformed into bicyclic 7-(ethylenedioxy)-2(R)-octahydro-2H-py
Compernolle, Frans,Saleh, M.-Ashty,Toppet, Suzanne,Hoornaert, Georges
p. 5192 - 5196
(2007/10/02)
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