PYRIMIDINE DERIVATIVES AND RELATED COMPOUNDS. XXXIX: A NOVEL CYCLOAROMATIZATION REACTION OF 5-FORMYL-1,3-DIMETHYLURACIL WITH THREE-CARBON NUCLEOPHILES. SYNTHESIS OF SUBSTITUTED 4-HYDROXYBENZOATESHIROTA K; KITADE Y; SENDA S et al.1981; J. ORG. CHEM.; ISSN 0022-3263; USA; DA. 1981; VOL. 46; NO 20; PP. 3949-3953; BIBL. 15 REF.Article

A NOVEL RING TRANSFORMATION OF 5-NITROURACILS INTO 5-CARBAMOYLURACILS VIA THE RETRO-MICHAEL REACTIONHIROTA K; KITADE Y; SENDA S et al.1981; TETRAHEDRON LETT.; ISSN 0040-4039; GBR; DA. 1981; VOL. 22; NO 25; PP. 2409-2410; BIBL. 8 REF.Article

A NOVEL RING TRANSFORMATION OF URACIL INTO THE BENZENE RING SYSTEMHIROTA K; KITADE Y; SENDA S et al.1980; J. HETEROCYCL. CHEM.; USA; DA. 1980; VOL. 17; NO 2; PP. 413-414; BIBL. 12 REF.Article

PYRIMIDINE DERIVATIVES AND RELATED COMPOUNDS. XXXVII: NOVEL NUCLEOPHILIC SUBSTITUTIONS OF 5-BROMO-6-METHYLURACILS OR 5-BROMO-6-BROMOMETHYLURACILS WITH AROMATIC AMINESHIROTA K; YAMADA Y; KITADE Y et al.1981; PERKIN TRANS. 1; ISSN 0300-922X; GBR; DA. 1981; NO 11; PP. 2943-2947; BIBL. 8 REF.Article

Subvolcanic hydrothermal systems : Implications from hydrothermal minerals in hydrovolcanic ashOHBA, T; KITADE, Y.Journal of volcanology and geothermal research. 2005, Vol 145, Num 3-4, pp 249-262, issn 0377-0273, 14 p.Article

PYRIMIDINE DERIVATIVES AND RELATED COMPOUNDS. XXXXV: SYNTHESIS OF 4-ALLOPHANOYLPYRAZOLES VIA A PYRIMIDINE-TO-PYRAZOLE RING TRANSFORMATIONHIROTA K; KITADE Y; SHIMADA K et al.1983; PERKIN TRANSACTIONS 1; ISSN 0300-922X; GBR; DA. 1983; NO 6; PP. 1293-1297; BIBL. 13 REF.Article

A RING TRANSFORMATION OF URACIL INTO THE PYRAZOLE RING SYSTEM. REINVESTIGATION OF THE REACTION OF 5-FORMYLURACILS WITH HYDRAZINESHIROTA K; KITADE Y; SHIMADA K et al.1981; CHEM. PHARM. BULL.; ISSN 0009-2363; JPN; DA. 1981; VOL. 29; NO 12; PP. 3760-3762; BIBL. 6 REF.Article

A NOVEL PYRIMIDINE TO PYRIDINE RING TRANSFORMATION REACTION. A FACILE SYNTHESIS OF 2,6-DIHYDROXYPYRIDINESHIROTA K; KITADE Y; SENDA S et al.1979; J. AMER. CHEM. SOC.; USA; DA. 1979; VOL. 101; NO 15; PP. 4423-4425; BIBL. 18 REF.Article

9-[(2'S, 3'S)-3'-formyl-2', 3'-dihydroxypropyl]adenine : A facile affinity-labeling probe of human S-adenosyl-L-homocysteine hydrolaseKITADE, Y; NAKANISHI, M; YATOME, C et al.Bioorganic & medicinal chemistry letters (Print). 1999, Vol 9, Num 18, pp 2737-2740, issn 0960-894XArticle

Pyrimidines. LIV: Ring transformation of 5-(2-carbamoylvinyl)uracil derivatives to 5-carbamoylpyridin-2-onesHIROTA, K; KITADE, Y; SHIMADA, K et al.Journal of organic chemistry. 1985, Vol 50, Num 9, pp 1512-1516, issn 0022-3263Article

Nucleosides. II: Direct synthesis of 5-substituted 2',5'-anhydro-1-β-D-arabinofuranosyluracils from uridine derivativesHIROTA, K; KITADE, Y; TOMISHI, T et al.Chemical and pharmaceutical bulletin. 1985, Vol 33, Num 10, pp 4212-4215, issn 0009-2363Article

Pyrimidine derivatives and related compounds. IIL: Uracil ring transformation ― Conversion of 5-nitrouracils into 5-carbamoyluracilsHIROTA, K; KITADE, Y; SENDA, S et al.Journal of the Chemical Society. Perkin transactions. I. 1984, Num 8, pp 1859-1861, issn 0300-922XArticle

Diversity of intramolecular rearrangements of uracil derivatives to pyrazolones and hydantoins governed by a prominen 5-substituent effectKITADE, Y; HIROTA, K; MAKI, Y et al.Journal of chemical research. Synopses (Print). 1993, Num 1, pp 2-3, issn 0308-2342Article

Synthesis of a ring-scission analogue of neplanocin A as a potential inhibitor of S-adenosylhomocysteine hydrolaseKITADE, Y; MONGUCHI, Y; HIROTA, K et al.Tetrahedron letters. 1993, Vol 34, Num 41, issn 0040-4039, 6599, 6579-6580 [3 p.]Article

A simple synthesis of 5-(1-alkenyl)uracil derivatives by palladium-catalyzed oxidative coupling of uracils with olefinsHIROTA, K; ISOBE, Y; KITADE, Y et al.Synthesis (Stuttgart). 1987, Num 5, pp 495-496, issn 0039-7881Article

Synthesis of phidolopin, 7-(4-hydroxy-3-nitrobenzyl)-1,3-dimethylxanthine from the bryozoan Phidolopora pacificaHIROTA, K; KUBO, K; KITADE, Y et al.Tetrahedron letters. 1985, Vol 26, Num 19, pp 2355-2356, issn 0040-4039Article

Novel synthesis of 2-thiocytosine derivatives via pyrimidine-to-pyrimidine ring transformationHIROTA, K; KITADE, Y; SAJIKI, H et al.Heterocycles (Sendai). 1984, Vol 22, Num 10, pp 2259-2262, issn 0385-5414Article

Reductive cleavage of the ribose moiety in purine nucleosides using diisobutylaluminum hydride : a new method for the preparation of acyclonucleosidesKITADE, Y; HIRATO, K; MAKI, Y et al.Tetrahedron letters. 1993, Vol 34, Num 30, issn 0040-4039, 4728, 4835-4836 [3 p.]Article

Convenient method for the synthesis of C-alkylated purine nucleosides : palladium-catalyzed cross-coupling reaction of halogenopurine nucleosides with trialkylaluminumsHIROTA, K; KITADE, Y; KANBE, Y et al.Journal of organic chemistry. 1992, Vol 57, Num 19, pp 5268-5270, issn 0022-3263Article

Novel ring transformations of 5-cyanouracils into 2-thiocytosines, 2,4-diaminopyrimidines, and pyrimido[4,5-d]pyrimidines by the reaction with thioureas and guanidinesHIROTA, K; SAJIKI, H; KITADE, Y et al.Journal of the Chemical Society. Perkin transactions. I. 1990, Num 1, pp 123-128, issn 0300-922XArticle

Palladium catalyzed coupling of 5-hydroxyuracil trifluoromethane-sulfonates (triflates) with alkenes and alkynesHIROTA, K; KITADE, Y; ISOBE, Y et al.Heterocycles (Sendai). 1987, Vol 26, Num 2, pp 355-358, issn 0385-5414Article

Novel reaction of 5-nitro(or carbamoyl)uracil derivatives with amines. Thermal exchange reaction of N₁-portion of the uracils for amines via ring-opening and ring-closure processesHIROTA, K; KITADE, Y; SAJIKI, H et al.Tetrahedron letters. 1986, Vol 27, Num 28, pp 3263-3266, issn 0040-4039Article

Pyrimidines. LII: Synthesis of pyrido[2,3-d]pyrimidine-2,4-diones and pyrido[2,3-d:6,5-d']dipyrimidine-2,4,6,8-tetronesHIROTA, K; KITADE, Y; SENDA, S et al.Journal of heterocyclic chemistry. 1985, Vol 22, Num 2, pp 345-347, issn 0022-152XArticle

A facile synthesis of 7-substituted pyrimido[4,5-d]-pyrimidine-2,4-dionesHIROTA, K; KITADE, Y; SAJIKI, H et al.Synthesis (Stuttgart). 1984, Num 7, pp 589-590, issn 0039-7881Article

Simple method for the synthesis of 5-substituted 2',5'-anhydro-2',5'-dideoxy-1-β-D-arabinofuranosyluracilsHIROTA, K; KITADE, Y; TOMISHI, T et al.Journal of the Chemical Society. Chemical communications. 1984, Num 2, pp 108-109, issn 0022-4936Article