1990
DOI: 10.1002/hlca.19900730509
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2‐Aza‐l, 3‐dienes. Partie 6. Observation d′un effet ‘tert‐amino’ dans le traitement acide de (pyrrolidin‐l‐yl)‐azadienes

Abstract: 'lerr-Amino Effect' on Acidic Treatment of (Pyrrolidin-1-y1)azadienesThe behaviour of 4-morpholino-and 4-(pyrrolidin-l -yl)-2-aza-I ,3-diene-l, I-dicarbonitriles 3, and 4 and 10, respectively, in acidic medium is described. The former gives with HBr/AcOH 3-bromopyrazine-2-carbonitrile 6. triles ou imidazole-2-carbonitriles suivant la nature de X. Le fragment de base R,N, prksente dans l'azadiene, n'influence g d r e que la vitesse de formation de l'intermediaire 2, la nature des produits finaux n'en ktant pas … Show more

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Cited by 6 publications
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