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3-(4-Chlorophenyl)-2-(diisobutylamino)-4-oxo-5-phenyl-4,5-dihydro-3H-pyrrolo[3,2-d]pyrimidine-7-carbonitrile

✍ Scribed by He, Ping ;Zheng, Aihua ;Cai, Chang-Quan ;Fang, Chuan-Lin


Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
951 KB
Volume
63
Category
Article
ISSN
1600-5368

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Methyl (4-oxo-1-phenyl-4,5-dihydro-1H-py
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The title compound, C 14 H 12 N 4 O 3 , a pyrazolopyrimidine derivative, displays normal geometrical parameters. The dihedral angle between the mean planes of the pyrazolopyrimidine unit and the phenyl ring is 26.14 (4) . The non-H atoms of the ester side chain are coplanar (r.m.s. deviation = 0.009

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Geometric parameters of the title compound, C 14 H 12 N 4 O 3 , a pyrazolopyrimidine derivative, are in the usual ranges. The dihedral angle between the pyrazolopyrimidine system and the phenyl ring is 4.64 (5) . The non-H atoms of the ester side chain lie in a common plane (r.m.s. deviation = 0.028

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## Abstract magnified image A relatively short and efficient method for the utilization of 4,6‐dichloro‐2‐methylthio‐5‐nitropyrimidine (**1**) in the synthesis of the poly substituted pyrrolo[3,2‐__d__]pyrimidin‐7‐one 5‐oxides (**6a**‐g) is reported. Some new 4‐substituted 6‐chloro‐2‐methylthio‐5‐