About MINGUEZ J M
About Univ. Alcala, Madrid, ESP
About CASTELLOTE I
About Univ. Alcala, Madrid, ESP
About VAQUERO J J
About Univ. Alcala, Madrid, ESP
About GARCIA NAVIO J L
About Univ. Alcala, Madrid, ESP
About ALVAREZ-BUILLA J
About Univ. Alcala, Madrid, ESP
About CASTANO O
About Univ. Girona, Girona, ESP
About ANDRES J L
About Tetrahedron
About quaternary ammonium
About hydropyrazines
About Pyrazines
About Cyclization reaction,ring-opening reaction
About Electronic structure of molecules
About 3,4-Dihydropyrrolo[1,2-a]pyrazine
About 2-(2-Ethoxy-2-oxoethyl)-3,4-dihydropyrrolo[1,2-a]pyrazin-2-ium
About 2-(Trimethylsilylmethyl)-3,4-dihydropyrrolo[1,2-a]pyrazin-2-ium
About 5,6-Dihydrodipyrrolo[1,2-a:2′,1′-c]pyrazine-1-carboxylic acid methyl ester
About 3,4,5,8b-Tetrahydro-3,3a,5a-triaza-as-indacene-1-carboxylic acid methyl ester
About (1R)-1,2,3,5,6,10bβ-Hexahydrodipyrrolo[1,2-a:2′,1′-c]pyrazine-1α,2β,3α-tricarboxylic acid 1,2-dimethyl 3-ethyl ester
About (3aR)-1,3-Dioxo-2-methyl-2,3,3aα,3bα,6,7,8,8aα-octahydro-5,4-[1]propen[1]yl[3]ylidene-1H-2,5,7a-triazacyclopent[a]indene-8α-carboxylic acid ethyl ester
About (1S)-1β-Cyano-1,2,3,5,6,10bβ-hexahydrodipyrrolo[1,2-a:2′,1′-c]pyrazine-3-carboxylic acid ethyl ester
About 2-Methyl-5,6-dihydrodipyrrolo[1,2-a:2′,1′-c]pyrazine-1,3-dicarboxylic acid 1-methyl 3-ethyl ester
About 5,6-Dihydrodipyrrolo[1,2-a:2′,1′-c]pyrazine-1,2,3-tricarboxylic acid 1,2-dimethyl 3-ethyl ester
About 7-Oxo-8-methyl-4,5,7,8-tetrahydro-9-thiolato-5a-azonia-3a,8-diaza-3aH-cyclopenta[a]naphthalene
About 2-(Methylthio)-4,5-dihydro-8bH-1-thia-3a,5a-diaza-as-indacene-3-carboxylic acid ethyl ester
About 5,6-Dihydro-11aH-pyrido[1,2-a]pyrrolo[2,1-c]pyrazine-8,9,10,11-tetracarboxylic acid tetramethyl ester
About 6-Oxo-4,5,6,8-tetrahydro-7-oxa-3a,5a-diaza-7H-cyclopent[b]-as-indacene-9-carboxylic acid methyl ester
About ピラジン
About 化学