5-Benzylidene-2,3-diphenyl-1,2-selenaphosphole-2-selenide
نویسندگان
چکیده
منابع مشابه
5-Benzylidene-2,3-diphenyl-1,2-selenaphosphole-2-selenide
The title compound, C(23)H(19)PSe(2), has a central five-membered twist C(3)PSe ring conformation. One phenyl ring substituent, attached to an sp(2) carbon, is approximately coplanar with the C(3)PSe ring whilst the other organic substituents, attached to an sp(3)-carbon and a P(V) atom, lie on the same side of the ring.
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In the title compound, C(17)H(14)NPSe, the P atom has a distorted tetra-hedral environment resulting in an effective cone angle of 163°. In the crystal, C-H⋯Se/N/π inter-actions are observed.
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The reaction between barbituric acid or 2-thiobarbituric acid and different benzaldehydes, dependent upon the applied reaction conditions, selectively yields three different product types, i.e. 5-benzylidene(thio)barbituric acids II, symetric Michael adducts III or 5-phenyl-1H-pyrano[2,3-d]pyrimidine-2,4(3H,5H)-diones and 5-phenyl-2-thioxo-2,3-dihydro-1H-pyrano[2,3-d]pyrimidin-4(5H)-ones IV. Th...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2007
ISSN: 1600-5368
DOI: 10.1107/s1600536807062228