A synthesis of cinnamoyloxyisoflavones

Aitmambetov, A.; Tokhtybaeva, A. M.; Tlegenov, R. T.; Tsao, Li-I

doi:10.1134/s1068162006040121

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2012

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“…For intermolecular interactions, see: Novoa et al (2006); Takahashi et al (2001). For the synthesis, see: Aitmambetov & Kubzheterova (2002); Chen et al (2011);Wera et al (2010) Refinement R[F 2 > 2(F 2 )] = 0.056 wR(F 2 ) = 0.160 S = 1.01 2163 reflections 164 parameters H-atom parameters constrained Á max = 0.18 e Å À3 Á min = À0.17 e Å À3 Table 1 Hydrogen-bond geometry (Å , ).…”

Section: Related Literaturementioning

confidence: 99%

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2-(4-Fluorophenyl)-2H-chromen-4(3H)-one

et al. 2012

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In the crystal structure of the title compound, C15H11FO2, molecules form inversion dimers through pairs of weak C—H⋯O hydrogen bonds. Dimers oriented in parallel, linked by C—H⋯π contacts, are arranged in columns along the b axis. The fluorophenyl ring and the benzene ring of the 2H-chromen-4(3H)-one unit are inclined to one another by 70.41 (16)°. They are respectively parallel in a given column or almost perpendicular [oriented at an angle of 87.8 (1)°] in neighbouring (inversely oriented) columns, forming a herringbone pattern.

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Section: Related Literaturementioning

confidence: 99%

“…The title compound was synthesized following a procedure described elsewhere (Aitmambetov & Kubzheterova, 2002;Chen et al, 2011)…”

Section: S2 Experimentalmentioning

confidence: 99%