title: Efficient one-pot synthesis of novel and diverse furo[2,3-d] pyrimidinediones and thioxofuro[2,3-d] pyrimidineones by the rhodium (II) pivalate-catalyzed reactions of cyclic diazo compounds.
abstract: The rhodium(II)-catalyzed reactions of cyclic diazo compounds derived from barbituric acid or thiobarbituric acid with arylacetylenes and styrenes were examined. These reactions provide a rapid synthetic route to the preparation of a variety of novel and diverse furo [2,3-d pyrimidine-2,4-diones, 2-thioxodihydrofuro [2,3-d pyrimidin-4-ones, dihydrofuro [2,3-d] pyrimidine-2,4-diones, and 2-thioxotetrahydrofuro [2,3-d] pyrimidin-4-ones.
authors.affiliation: School of Chemical Engineering, Yeungnam University, Gyeongsan, 712-749, Republic of Korea.
authors.forename: Krishna Bahadur
authors.initials: KB
authors.lastname: Somai Magar
authors.forename: Yong Rok
authors.initials: YR
authors.lastname: Lee
authors.forename: Sung Hong
authors.initials: SH
authors.lastname: Kim
mesh_terms: D001391:Azo Compounds / Q000737:chemistry*; D001463:Barbiturates / Q000737:chemistry; D002384:Catalysis; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D011743:Pyrimidines / Q000138:chemical synthesis* / Q000737:chemistry; D012238:Rhodium / Q000737:chemistry*
chemical_list: D001391:Azo Compounds; D001463:Barbiturates; D011743:Pyrimidines; D012238:Rhodium; C032232:barbituric acid
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