Chemical modification of plant alkaloids. III. X-ray diffraction and NMR studies of the structure of 1, 3-dimethyl-5-arylmethyl-5-cytisylmethylbarbituric acids

…, VG Kartsev, AS Gorovoi, VN Khrustalev

Index: Krasnov; Kartsev; Gorovoi; Khrustalev Chemistry of Natural Compounds, 2002 , vol. 38, # 5 p. 450 - 457

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Citation Number: 7

Abstract

Abstract The three-dimensional structure of 1, 3-dimethyl-5-(4-allyloxybenzyl)-5- cytisylmethylbarbituric acid was found by x-ray structure analysis. A conformation with proximal cytisine and 2, 4, 6-trioxopyrimidine moieties was observed. Analogous structures for other synthesized 1, 3-dimethyl-5-arylmethyl-5-cytisylmethylbarbituric acids and their 2- thio analogs were proved and the intramolecular effects caused by mutual magnetic ...

~19%

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