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2-(3-Oxo-1,3-dihydro-isobenzofuran-1-yl)-phthalazin-1(2H)-one.


ABSTRACT: The reaction of 2-carboxy-benzaldehyde and hydrazine hydrate unexpectedly yielded the title compound, C(16)H(10)N(2)O(3), which comprises one phthalide ring, one phthalazine system and a chiral centre. The phthalide unit is almost perpendicular to the phthalazine system, forming a dihedral angle of 87.1?(3)°. The packing is governed by weak C-H?O hydrogen-bonding inter-actions, forming layers parallel to the ab plane.

SUBMITTER: Zhang YL 

PROVIDER: S-EPMC2977671 | biostudies-literature | 2009 Apr

REPOSITORIES: biostudies-literature

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2-(3-Oxo-1,3-dihydro-isobenzofuran-1-yl)-phthalazin-1(2H)-one.

Zhang You-Lei YL   Wu Yu-Jun YJ   Peng Guo G   Deng Hong H  

Acta crystallographica. Section E, Structure reports online 20090408 Pt 5


The reaction of 2-carboxy-benzaldehyde and hydrazine hydrate unexpectedly yielded the title compound, C(16)H(10)N(2)O(3), which comprises one phthalide ring, one phthalazine system and a chiral centre. The phthalide unit is almost perpendicular to the phthalazine system, forming a dihedral angle of 87.1 (3)°. The packing is governed by weak C-H⋯O hydrogen-bonding inter-actions, forming layers parallel to the ab plane. ...[more]

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