Autor: |
Jacqueline Marchand-Brynaert, Gilles Olive, Ingrid Devillers, Axelle Arrault |
Rok vydání: |
2002 |
Předmět: |
|
Zdroj: |
Tetrahedron Letters. 43:3161-3164 |
ISSN: |
0040-4039 |
DOI: |
10.1016/s0040-4039(02)00462-8 |
Popis: |
N-(Trifluoroacetyl)dehydrodipeptides 2-3 were coupled to aminomethylene dimethylacetal derivatives 4 5. The resulting pseudo-tripeptides 6 were stepwise deprotected (carbonyl function (7) then amine function) and in situ cyclized into imidazolopyrazines 1. (C) 2002 Elsevier Science Ltd. All rights reserved. |
Databáze: |
OpenAIRE |
Externí odkaz: |
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