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Crystal structures of 1-(2-hydroxyphenyl)-3-phenyl-1,3-propanedione and 1-(1,3-benzodioxol-5-yl)-3-(2,4-dimethoxyphenyl)-1,3-propanedione

✍ Scribed by Seik Weng Ng; Abdul Hamid Othman; Sri Nurestri Abdul Malek


Publisher
Springer
Year
1994
Tongue
English
Weight
344 KB
Volume
24
Category
Article
ISSN
1572-8854

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πŸ“œ SIMILAR VOLUMES


Abnormal base catalysed reaction of form
✍ S.J. Joglekar; S.D. Samant πŸ“‚ Article πŸ“… 1988 πŸ› Elsevier Science 🌐 French βš– 188 KB

1-(2-Apdroxyphenyll-3-phenyl-1,3-propanedione (la) reacts with formaldehyde in the presence of different 1-arylpiperasines (2) to form (1:l) inclusion compounds (3) which on column chromatographic separation yield 4,5,11,12-dibenzo-7-hydroxymethyl-l,3-dioxa-6,lO-dioxo-7,S-diphe~lcyclododecane (4) an

(E)-3-(1,3-Benzodioxol-5-yl)-1-phenyl-2-
✍ Yang, Xu-Hong ;Wu, Ming-Hu ;Zou, Wei-Dong ;Li, Chuan πŸ“‚ Article πŸ“… 2006 πŸ› International Union of Crystallography 🌐 English βš– 240 KB

In the title compound, C~16~H~12~O~3~, the dihedral angle between the benzene rings is 12.0β€…(1)Β°. In the crystal structure, the molecules are linked through π–π interactions and C–H...Ο€ (arene) hydrogen-bonding interactions.

3-(1,3-Benzodioxol-5-yl)-1-phenylΒ­prop-2
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In the title biologically active compound, C 16 H 12 O 3 , the central C C double bond is trans configured. The molecule consists of two essentially planar parts which are twisted by 26.89 (5) with respect to each other.

Cobalt schiff base complex promoted retr
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Co(salpr) promotes the conversion of 1-(2-hydroxyphenyl)-3-phenyl-1,3\_propanediones to retro-Claisen reaction products and flavones in methanol under oxygen. Base catalysis by Co(salpr)(OH) produced in situ is responsible for the reaction. Cobalt Schiff base complexes [Co(SB)] are very interesting