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(Z)-Ethyl 3-phenyl-2-[(triphenylphospho­ranylidene)amino]prop-2-enoate

✍ Scribed by Huang, Xiao-Bo ;Liu, Miao-Chang ;Wu, Hua-Yue ;Ding, Jin-Chang ;Hu, Mao-Lin

Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
209 KB
Volume
61
Category
Article
ISSN
1600-5368

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✦ Synopsis

The title compound, C 29 H 26 N 2 OP, containing four planar ring systems, exists in the Z form. The short CÁ Á ÁO [2.711 (3) A Ê ] and CÁ Á ÁN [2.961 (3) and 2.997 (3) A Ê ] intramolecular contacts may indicate the presence of weak intramolecular hydrogen bonds.

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The title compound, C 30 H 28 NO 3 P, containing four planar ring systems, exists in the Z form. Short intramolecular CÁ Á ÁO [2.697 (3) A ˚] and CÁ Á ÁN [3.049 (4) A ˚] contacts may indicate the presence of weak intramolecular hydrogen bonds.

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The title compound, C 29 H 25 ClNO 2 P, exists in the Z form. The short CÁ Á ÁO [2.700 (4) A ˚] and CÁ Á ÁN [2.963 (4) A ˚and 2.988 (5) A ˚] intramolecular contacts may indicate the presence of weak intramolecular hydrogen bonds.

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In the title compound, C 15 H 7 F 5 O 2 , an intramolecular C-HÁ Á ÁO hydrogen bond induces coplanarity of the central chain and the phenyl ring. An intermolecular C-HÁ Á ÁO hydrogen bond leads to the formation of a dimer.

Ethyl (E)-2-acetyl-3-amino-3-phenyl-2-pr
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Single-crystal X-ray study T = 294 K Mean '(C±C) = 0.002 A Ê R factor = 0.047 wR factor = 0.118 Data-to-parameter ratio = 18.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.