摩熵化学
数据库官网
小程序
打开微信扫一扫
首页 分子通 化学资讯 化学百科 反应查询 关于我们
请输入关键词
历史搜索
    热门化合物HOT
    • 喹啉
    • 水杨醛
    • 二溴甲烷
    • 谷胱甘肽
    • L-乳酸
    • 苯巴比妥
    • 辣椒碱
    • 非那明
    • 百草枯
    • 联苯烯
    首页 分子通 按分子结构分类 有机化合物 有机杂环化合物 二嗪烷类

    二嗪烷类

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 1-benzyl-3-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]urea —— C34H38N6O4
    1-benzyl-3-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]urea
    —— prop-2-enyl N-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]carbamate —— C30H35N5O5
    prop-2-enyl N-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]carbamate
    —— benzyl N-[1-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]-2,5-dioxopyrrolidin-3-yl]carbamate —— C38H40N6O7
    benzyl N-[1-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]-2,5-dioxopyrrolidin-3-yl]carbamate
    —— 1-(1-adamantyl)-3-[[4-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]methyl]urea —— C38H48N6O4
    1-(1-adamantyl)-3-[[4-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]methyl]urea
    —— [4-[(2R,4S,6R)-2-(3-aminophenyl)-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-4-yl]phenyl]methanol —— C26H31N5O3
    [4-[(2R,4S,6R)-2-(3-aminophenyl)-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-4-yl]phenyl]methanol
    —— benzyl N-[1-[[4-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]methyl]-2,5-dioxopyrrolidin-3-yl]carbamate —— C39H42N6O7
    benzyl N-[1-[[4-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]methyl]-2,5-dioxopyrrolidin-3-yl]carbamate
    —— N-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]benzenesulfonamide —— C32H35N5O5S
    N-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]benzenesulfonamide
    —— 2-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]isoindole-1,3-dione —— C34H33N5O5
    2-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]isoindole-1,3-dione
    —— 2-[[4-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]methyl]isoindole-1,3-dione —— C35H35N5O5
    2-[[4-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]methyl]isoindole-1,3-dione
    —— N-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]acetamide —— C28H33N5O4
    N-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]acetamide
    —— 1-benzyl-3-[[4-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]methyl]urea —— C35H40N6O4
    1-benzyl-3-[[4-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]methyl]urea
    —— 4-[[4-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]methylamino]-4-oxobutanoic acid —— C31H37N5O6
    4-[[4-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]methylamino]-4-oxobutanoic acid
    —— 2,2,2-trichloro-N-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]acetamide —— C28H30Cl3N5O4
    2,2,2-trichloro-N-[3-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3-dioxan-2-yl]phenyl]acetamide
    —— N-[(1S)-1-(5-methylthiophen-2-yl)ethyl]piperazine-1-sulfonamide —— C11H19N3O2S2
    N-[(1S)-1-(5-methylthiophen-2-yl)ethyl]piperazine-1-sulfonamide
    —— (2S)-1-(4-methylpiperidin-1-yl)-2-[4-[(2S)-oxolane-2-carbonyl]piperazin-1-yl]propan-1-one —— C18H31N3O3
    (2S)-1-(4-methylpiperidin-1-yl)-2-[4-[(2S)-oxolane-2-carbonyl]piperazin-1-yl]propan-1-one
    —— N-[(4-fluorophenyl)methyl]-N-methyl-2-[4-[5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl]acetamide —— C20H22F4N4O
    N-[(4-fluorophenyl)methyl]-N-methyl-2-[4-[5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl]acetamide
    —— (3R)-3-[4-(4-methoxypyrimidin-2-yl)piperazin-1-yl]butanenitrile —— C13H19N5O
    (3R)-3-[4-(4-methoxypyrimidin-2-yl)piperazin-1-yl]butanenitrile
    —— N-[(2S)-butan-2-yl]-4-[[[2-(4-ethyl-2,3-dioxopiperazin-1-yl)acetyl]amino]methyl]benzamide —— C20H28N4O4
    N-[(2S)-butan-2-yl]-4-[[[2-(4-ethyl-2,3-dioxopiperazin-1-yl)acetyl]amino]methyl]benzamide
    —— 1-[(S)-cyclopentyl(thiophen-2-yl)methyl]-3-[[2-(4-methylpiperazin-1-yl)pyridin-4-yl]methyl]urea —— C22H31N5OS
    1-[(S)-cyclopentyl(thiophen-2-yl)methyl]-3-[[2-(4-methylpiperazin-1-yl)pyridin-4-yl]methyl]urea
    —— (1R,2S)-2-(piperazine-1-carbonyl)cyclopropane-1-carboxylic acid —— C9H14N2O3
    (1R,2S)-2-(piperazine-1-carbonyl)cyclopropane-1-carboxylic acid
    —— (2R)-2-[4-(3-methoxyphenyl)piperazin-1-yl]-N-[(2S)-2-phenylpropyl]propanamide —— C23H31N3O2
    (2R)-2-[4-(3-methoxyphenyl)piperazin-1-yl]-N-[(2S)-2-phenylpropyl]propanamide
    —— 3-[2-[4-(3-methylbutyl)piperazin-1-yl]-2-oxoethyl]-5-thiophen-2-yl-1,3,4-oxadiazol-2-one —— C17H24N4O3S
    3-[2-[4-(3-methylbutyl)piperazin-1-yl]-2-oxoethyl]-5-thiophen-2-yl-1,3,4-oxadiazol-2-one
    —— (1S,2S)-2-(piperazine-1-carbonyl)cyclopropane-1-carboxylic acid —— C9H14N2O3
    (1S,2S)-2-(piperazine-1-carbonyl)cyclopropane-1-carboxylic acid
    —— (1R,2R)-2-(piperazine-1-carbonyl)cyclopropane-1-carboxylic acid —— C9H14N2O3
    (1R,2R)-2-(piperazine-1-carbonyl)cyclopropane-1-carboxylic acid
    —— N-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]quinoxaline-2-carboxamide —— C44H42N6O6
    N-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]quinoxaline-2-carboxamide
    —— 2-[4-[2-(2,5-dichlorophenoxy)acetyl]piperazin-1-yl]-N,N-dimethylacetamide —— C16H21Cl2N3O3
    2-[4-[2-(2,5-dichlorophenoxy)acetyl]piperazin-1-yl]-N,N-dimethylacetamide
    —— N-methyl-4-[(2S)-oxolane-2-carbonyl]piperazine-1-carboxamide —— C11H19N3O3
    N-methyl-4-[(2S)-oxolane-2-carbonyl]piperazine-1-carboxamide
    —— N-methyl-4-[(2R)-oxolane-2-carbonyl]piperazine-1-carboxamide —— C11H19N3O3
    N-methyl-4-[(2R)-oxolane-2-carbonyl]piperazine-1-carboxamide
    —— N-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]pyridine-3-carboxamide —— C41H41N5O6
    N-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]pyridine-3-carboxamide
    —— N-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]acetamide —— C37H40N4O6
    N-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]acetamide
    —— 6-acetamido-N-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]hexanamide —— C43H51N5O7
    6-acetamido-N-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]hexanamide
    —— 2-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]isoindole-1,3-dione —— C43H40N4O7
    2-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]isoindole-1,3-dione
    —— N-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]quinoxaline-2-carboxamide —— C44H42N6O6
    N-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]quinoxaline-2-carboxamide
    —— 1-benzyl-3-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]urea —— C43H45N5O6
    1-benzyl-3-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]urea
    —— 1-ethyl-3-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]urea —— C38H43N5O6
    1-ethyl-3-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]urea
    —— 1-benzyl-3-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]urea —— C43H45N5O6
    1-benzyl-3-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]urea
    —— (2S)-2-[4-(2-fluorophenyl)piperazin-1-yl]-1-(4-methylpiperidin-1-yl)propan-1-one —— C19H28FN3O
    (2S)-2-[4-(2-fluorophenyl)piperazin-1-yl]-1-(4-methylpiperidin-1-yl)propan-1-one
    —— 2-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]isoindole-1,3-dione —— C43H40N4O7
    2-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]isoindole-1,3-dione
    —— benzyl N-[1-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]-2,5-dioxopyrrolidin-3-yl]carbamate —— C47H47N5O9
    benzyl N-[1-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]-2,5-dioxopyrrolidin-3-yl]carbamate
    —— benzyl N-[1-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]-2,5-dioxopyrrolidin-3-yl]carbamate —— C47H47N5O9
    benzyl N-[1-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]-2,5-dioxopyrrolidin-3-yl]carbamate
    —— N-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]benzenesulfonamide —— C41H42N4O7S
    N-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]benzenesulfonamide
    —— N-[(4-ethoxyphenyl)methyl]-N-methyl-2-(4-phenylpiperazin-1-yl)acetamide —— C22H29N3O2
    N-[(4-ethoxyphenyl)methyl]-N-methyl-2-(4-phenylpiperazin-1-yl)acetamide
    —— 1-(1-adamantyl)-3-[[3-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]urea —— C46H53N5O6
    1-(1-adamantyl)-3-[[3-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]urea
    —— 2-[[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]methyl]isoindole-1,3-dione —— C37H36N4O7
    2-[[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]methyl]isoindole-1,3-dione
    —— 2-[[3-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]isoindole-1,3-dione —— C43H40N4O7
    2-[[3-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]isoindole-1,3-dione
    —— 2,2,2-trichloro-N-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]acetamide —— C37H37Cl3N4O6
    2,2,2-trichloro-N-[[2-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]acetamide
    —— N-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]acetamide —— C37H40N4O6
    N-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]acetamide
    —— 4-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methylamino]-4-oxobutanoic acid —— C39H42N4O8
    4-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methylamino]-4-oxobutanoic acid
    —— 2,2,2-trichloro-N-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]acetamide —— C37H37Cl3N4O6
    2,2,2-trichloro-N-[[3-[3-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]acetamide
    —— 4-[[3-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methylamino]-4-oxobutanoic acid —— C39H42N4O8
    4-[[3-[4-[(2S,4R,6S)-4-[4-(hydroxymethyl)phenyl]-6-[[4-(4-nitrophenyl)piperazin-1-yl]methyl]-1,3-dioxan-2-yl]phenyl]phenyl]methylamino]-4-oxobutanoic acid