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    首页 分子通 按分子结构分类 有机化合物 有机杂环化合物 噻吩并嘧啶酮衍生物

    噻吩并嘧啶酮衍生物

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-(butylsulfanyl)-6,6-dimethyl-5,8-dihydro-6H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-amine —— C15H21N3OS2
    2-(butylsulfanyl)-6,6-dimethyl-5,8-dihydro-6H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-amine
    —— 12,12-Dimethyl-3,5-bis(3-methylbutylsulfanyl)-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5-tetraene —— C21H32N2OS3
    12,12-Dimethyl-3,5-bis(3-methylbutylsulfanyl)-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5-tetraene
    —— methyl 2-[[(12S)-12-ethyl-12-methyl-3-oxo-4-phenyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-5-yl]sulfanyl]acetate —— C21H22N2O4S2
    methyl 2-[[(12S)-12-ethyl-12-methyl-3-oxo-4-phenyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-5-yl]sulfanyl]acetate
    —— 6-[3-(Dimethylamino)propyl]-4-(4-methoxyphenyl)-8-thia-4,6-diazatricyclo[7.5.0.02,7]tetradeca-1(9),2(7)-diene-3,5-dione —— C23H29N3O3S
    6-[3-(Dimethylamino)propyl]-4-(4-methoxyphenyl)-8-thia-4,6-diazatricyclo[7.5.0.02,7]tetradeca-1(9),2(7)-diene-3,5-dione
    —— (12S)-5-[(3,4-dichlorophenyl)methylsulfanyl]-4-phenyl-12-propan-2-yl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one —— C25H22Cl2N2O2S2
    (12S)-5-[(3,4-dichlorophenyl)methylsulfanyl]-4-phenyl-12-propan-2-yl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one
    —— (12R)-5-[(3,4-dichlorophenyl)methylsulfanyl]-4-phenyl-12-propan-2-yl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one —— C25H22Cl2N2O2S2
    (12R)-5-[(3,4-dichlorophenyl)methylsulfanyl]-4-phenyl-12-propan-2-yl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one
    —— (12S)-5-benzylsulfanyl-4-(4-methylphenyl)-12-propan-2-yl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one —— C26H26N2O2S2
    (12S)-5-benzylsulfanyl-4-(4-methylphenyl)-12-propan-2-yl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one
    —— (12R)-5-benzylsulfanyl-4-(4-methylphenyl)-12-propan-2-yl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one —— C26H26N2O2S2
    (12R)-5-benzylsulfanyl-4-(4-methylphenyl)-12-propan-2-yl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one
    —— 2-(3,5-Dimethylpyrazol-1-yl)-4-[(4-fluorophenyl)methylsulfanyl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine —— C22H21FN4S2
    2-(3,5-Dimethylpyrazol-1-yl)-4-[(4-fluorophenyl)methylsulfanyl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine
    —— 3-(2,2-Diethoxyethylsulfanyl)-5-(3,5-dimethylpyrazol-1-yl)-12,12-dimethyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5-tetraene —— C22H30N4O3S2
    3-(2,2-Diethoxyethylsulfanyl)-5-(3,5-dimethylpyrazol-1-yl)-12,12-dimethyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5-tetraene
    —— 11-Benzyl-5-methylsulfanyl-8-thia-4,6-diaza-11-azoniatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine —— C17H19N4S2+
    11-Benzyl-5-methylsulfanyl-8-thia-4,6-diaza-11-azoniatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine
    —— 11-Benzyl-5-methylsulfanyl-8-thia-4,6,11-triazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine —— C17H18N4S2
    11-Benzyl-5-methylsulfanyl-8-thia-4,6,11-triazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine
    —— methyl 2-[[(12R)-12-ethyl-12-methyl-3-oxo-4-phenyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-5-yl]sulfanyl]acetate —— C21H22N2O4S2
    methyl 2-[[(12R)-12-ethyl-12-methyl-3-oxo-4-phenyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-5-yl]sulfanyl]acetate
    —— 13-ethyl-N-hexyl-16-thia-2,3,4,5,7-pentaza-13-azoniatetracyclo[7.7.0.02,6.010,15]hexadeca-1(9),3,5,7,10(15)-pentaen-8-amine —— C17H26N7S+
    13-ethyl-N-hexyl-16-thia-2,3,4,5,7-pentaza-13-azoniatetracyclo[7.7.0.02,6.010,15]hexadeca-1(9),3,5,7,10(15)-pentaen-8-amine
    —— (10R,12R)-10,12-diphenyl-5-(2-phenylethylsulfanyl)-8,11-dithia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine —— C29H25N3S3
    (10R,12R)-10,12-diphenyl-5-(2-phenylethylsulfanyl)-8,11-dithia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine
    —— 4-[13-(2-Methylprop-2-enylsulfanyl)-11-thia-9,14,16-triazatetracyclo[8.7.0.02,7.012,17]heptadeca-1,7,9,12,14,16-hexaen-14-ium-8-yl]morpholine —— C21H25N4OS2+
    4-[13-(2-Methylprop-2-enylsulfanyl)-11-thia-9,14,16-triazatetracyclo[8.7.0.02,7.012,17]heptadeca-1,7,9,12,14,16-hexaen-14-ium-8-yl]morpholine
    —— 2-[3-ethoxy-4-[2-(4-methylphenoxy)ethoxy]phenyl]-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-4-one —— C27H28N2O4S
    2-[3-ethoxy-4-[2-(4-methylphenoxy)ethoxy]phenyl]-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-4-one
    —— 13-ethyl-N-hexyl-16-thia-2,3,4,5,7,13-hexazatetracyclo[7.7.0.02,6.010,15]hexadeca-1(9),3,5,7,10(15)-pentaen-8-amine —— C17H25N7S
    13-ethyl-N-hexyl-16-thia-2,3,4,5,7,13-hexazatetracyclo[7.7.0.02,6.010,15]hexadeca-1(9),3,5,7,10(15)-pentaen-8-amine
    —— (12S)-12-propan-2-yl-5-propylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine —— C15H21N3OS2
    (12S)-12-propan-2-yl-5-propylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine
    —— 13-methyl-N-(pyridin-4-ylmethyl)-16-thia-2,3,4,5,7,13-hexazatetracyclo[7.7.0.02,6.010,15]hexadeca-1(9),3,5,7,10(15)-pentaen-8-amine —— C16H16N8S
    13-methyl-N-(pyridin-4-ylmethyl)-16-thia-2,3,4,5,7,13-hexazatetracyclo[7.7.0.02,6.010,15]hexadeca-1(9),3,5,7,10(15)-pentaen-8-amine
    —— (12R)-12-propan-2-yl-5-propylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine —— C15H21N3OS2
    (12R)-12-propan-2-yl-5-propylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine
    —— 2-[[4-(4-Methoxyphenyl)-3-oxo-8-thia-4,6-diazatricyclo[7.5.0.02,7]tetradeca-1(9),2(7),5-trien-5-yl]amino]ethyl-dimethylazanium —— C22H29N4O2S+
    2-[[4-(4-Methoxyphenyl)-3-oxo-8-thia-4,6-diazatricyclo[7.5.0.02,7]tetradeca-1(9),2(7),5-trien-5-yl]amino]ethyl-dimethylazanium
    —— (12R)-5-[(2,6-dichlorophenyl)methylsulfanyl]-12-propyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine —— C19H19Cl2N3OS2
    (12R)-5-[(2,6-dichlorophenyl)methylsulfanyl]-12-propyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine
    —— (12S)-5-[(2,6-dichlorophenyl)methylsulfanyl]-12-propyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine —— C19H19Cl2N3OS2
    (12S)-5-[(2,6-dichlorophenyl)methylsulfanyl]-12-propyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine
    —— 12-Heptylsulfanyl-7-(2-methylpropyl)-10-thia-8,13,15-triazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2(6),7,11(16),12,14-hexaene —— C23H31N3S2
    12-Heptylsulfanyl-7-(2-methylpropyl)-10-thia-8,13,15-triazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2(6),7,11(16),12,14-hexaene
    —— 4-[(2,4-Dichlorophenyl)methylsulfanyl]-2-methylsulfanyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine —— C18H16Cl2N2S3
    4-[(2,4-Dichlorophenyl)methylsulfanyl]-2-methylsulfanyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine
    —— N-[(4-methoxyphenyl)methylideneamino]-2-[[3-(4-methylphenyl)-4-oxo-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl]sulfanyl]acetamide —— C27H26N4O3S2
    N-[(4-methoxyphenyl)methylideneamino]-2-[[3-(4-methylphenyl)-4-oxo-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl]sulfanyl]acetamide
    —— 4-(4-Chlorophenyl)-12,12-dimethyl-6-prop-2-enyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7)-diene-3,5-dione —— C20H19ClN2O3S
    4-(4-Chlorophenyl)-12,12-dimethyl-6-prop-2-enyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7)-diene-3,5-dione
    —— (12R)-3-[(2,6-dichlorophenyl)methylsulfanyl]-12-ethyl-12-methyl-5-methylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5-tetraene —— C20H20Cl2N2OS3
    (12R)-3-[(2,6-dichlorophenyl)methylsulfanyl]-12-ethyl-12-methyl-5-methylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5-tetraene
    —— 5-[(2,4-Dichlorophenyl)methylsulfanyl]-4-(4-methoxyphenyl)-12,12-dimethyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one —— C25H22Cl2N2O3S2
    5-[(2,4-Dichlorophenyl)methylsulfanyl]-4-(4-methoxyphenyl)-12,12-dimethyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one
    —— N-(4-chlorophenyl)-2-[4-(4-chlorophenyl)-12,12-dimethyl-3,5-dioxo-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7)-dien-6-yl]acetamide —— C25H21Cl2N3O4S
    N-(4-chlorophenyl)-2-[4-(4-chlorophenyl)-12,12-dimethyl-3,5-dioxo-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7)-dien-6-yl]acetamide
    —— 2-[3-(3-chlorophenyl)-6,6-dimethyl-2,4-dioxo-3,4,5,8-tetrahydro-2H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-1(6H)-yl]acetamide —— C19H18ClN3O4S
    2-[3-(3-chlorophenyl)-6,6-dimethyl-2,4-dioxo-3,4,5,8-tetrahydro-2H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-1(6H)-yl]acetamide
    —— (12S)-3-[(2,6-dichlorophenyl)methylsulfanyl]-12-ethyl-12-methyl-5-methylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5-tetraene —— C20H20Cl2N2OS3
    (12S)-3-[(2,6-dichlorophenyl)methylsulfanyl]-12-ethyl-12-methyl-5-methylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5-tetraene
    —— (12R)-12-ethyl-N-(furan-2-ylmethyl)-12-methyl-5-methylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine —— C18H21N3O2S2
    (12R)-12-ethyl-N-(furan-2-ylmethyl)-12-methyl-5-methylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine
    —— 2-(4-butoxyphenyl)-6,6-dimethyl-4-(propylsulfanyl)-5,8-dihydro-6H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidine —— C24H30N2O2S2
    2-(4-butoxyphenyl)-6,6-dimethyl-4-(propylsulfanyl)-5,8-dihydro-6H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidine
    —— (12S)-12-ethyl-N-(furan-2-ylmethyl)-12-methyl-5-methylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine —— C18H21N3O2S2
    (12S)-12-ethyl-N-(furan-2-ylmethyl)-12-methyl-5-methylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine
    —— N-(3,4-dimethylphenyl)-2-{[3-(4-methoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydro[1]benzothieno[2,3-d]pyrimidin-2-yl]sulfanyl}acetamide 477330-18-0 C27H27N3O3S2
    N-(3,4-dimethylphenyl)-2-{[3-(4-methoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydro[1]benzothieno[2,3-d]pyrimidin-2-yl]sulfanyl}acetamide
    —— (12R)-5-[(4-chlorophenyl)methylsulfanyl]-12-propyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine —— C19H20ClN3OS2
    (12R)-5-[(4-chlorophenyl)methylsulfanyl]-12-propyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine
    —— 10-[(2,4-Dichlorophenyl)methylsulfanyl]-11-prop-2-enyl-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-12-one —— C19H16Cl2N2OS2
    10-[(2,4-Dichlorophenyl)methylsulfanyl]-11-prop-2-enyl-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-12-one
    —— Methyl 2-{[2-(4-butoxyphenyl)-6,6-dimethyl-5,8-dihydro-6H-pyrano[4',3':4,5]thieno[2,3-D]pyrimidin-4-YL]sulfanyl}acetate —— C24H28N2O4S2
    Methyl 2-{[2-(4-butoxyphenyl)-6,6-dimethyl-5,8-dihydro-6H-pyrano[4',3':4,5]thieno[2,3-D]pyrimidin-4-YL]sulfanyl}acetate
    —— 2-[3-(4-chlorophenyl)-6,6-dimethyl-2,4-dioxo-3,4,5,8-tetrahydro-2H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-1(6H)-yl]acetamide —— C19H18ClN3O4S
    2-[3-(4-chlorophenyl)-6,6-dimethyl-2,4-dioxo-3,4,5,8-tetrahydro-2H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-1(6H)-yl]acetamide
    —— (12S)-3-(2,2-diethoxyethylsulfanyl)-12-ethyl-12-methyl-5-methylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5-tetraene —— C19H28N2O3S3
    (12S)-3-(2,2-diethoxyethylsulfanyl)-12-ethyl-12-methyl-5-methylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5-tetraene
    —— (12R)-5-prop-2-enylsulfanyl-12-propyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine —— C15H19N3OS2
    (12R)-5-prop-2-enylsulfanyl-12-propyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine
    —— (12S)-5-[(4-chlorophenyl)methylsulfanyl]-12-propyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine —— C19H20ClN3OS2
    (12S)-5-[(4-chlorophenyl)methylsulfanyl]-12-propyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine
    —— (12S)-5-prop-2-enylsulfanyl-12-propyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine —— C15H19N3OS2
    (12S)-5-prop-2-enylsulfanyl-12-propyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-amine
    —— (12R)-3-(2,2-diethoxyethylsulfanyl)-12-ethyl-12-methyl-5-methylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5-tetraene —— C19H28N2O3S3
    (12R)-3-(2,2-diethoxyethylsulfanyl)-12-ethyl-12-methyl-5-methylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5-tetraene
    —— 5-[(4-Bromophenyl)methylsulfanyl]-4-(4-methoxyphenyl)-12,12-dimethyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one —— C25H23BrN2O3S2
    5-[(4-Bromophenyl)methylsulfanyl]-4-(4-methoxyphenyl)-12,12-dimethyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one
    —— 6-[2-(Diethylamino)ethyl]-11-methyl-4-phenyl-8-thia-4,6,11-triazatricyclo[7.4.0.02,7]trideca-1(9),2(7)-diene-3,5-dione —— C22H28N4O2S
    6-[2-(Diethylamino)ethyl]-11-methyl-4-phenyl-8-thia-4,6,11-triazatricyclo[7.4.0.02,7]trideca-1(9),2(7)-diene-3,5-dione
    —— 5-[(2-Chlorophenyl)methylsulfanyl]-12,12-dimethyl-4-(3-methylphenyl)-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one —— C25H23ClN2O2S2
    5-[(2-Chlorophenyl)methylsulfanyl]-12,12-dimethyl-4-(3-methylphenyl)-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one
    —— 2-[(2-chlorobenzyl)sulfanyl]-6,6-dimethyl-3-phenyl-3,5,6,8-tetrahydro-4H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-one —— C24H21ClN2O2S2
    2-[(2-chlorobenzyl)sulfanyl]-6,6-dimethyl-3-phenyl-3,5,6,8-tetrahydro-4H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-one