中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 4-Chloro-3-piperidin-1-ylmethyl-chromen-2-one | 83231-81-6 | C15H16ClNO2 | 277.751 |
—— | 4-(Methylamino)-3-(piperidin-1-ylmethyl)chromen-2-one | 83233-97-0 | C16H20N2O2 | 272.347 |
双香豆素 | dicoumarol | 66-76-2 | C19H12O6 | 336.301 |
—— | (4,7-dihydroxy-2-oxo-2H-chromen-3-yl)-(4-hydroxy-2-oxo-2H-chromen-3-yl)-methane | 56546-98-6 | C19H12O7 | 352.3 |
—— | 4-Dimethylamino-3-piperidin-1-ylmethyl-chromen-2-one | 83234-01-9 | C17H22N2O2 | 286.374 |
—— | 4,4'-dihydroxy-7-methoxy-3,3'-methanediyl-bis-chromen-2-one | 102555-68-0 | C20H14O7 | 366.327 |
—— | 4-Butylamino-3-piperidin-1-ylmethyl-chromen-2-one | 83233-98-1 | C19H26N2O2 | 314.428 |
—— | 4-Phenylamino-3-piperidin-1-ylmethyl-chromen-2-one | 83234-00-8 | C21H22N2O2 | 334.418 |
—— | 4-Benzylamino-3-piperidin-1-ylmethyl-chromen-2-one | 83233-99-2 | C22H24N2O2 | 348.445 |
—— | 4-(Diethylamino)-3-(piperidin-1-ylmethyl)chromen-2-one | 83234-02-0 | C19H26N2O2 | 314.428 |
—— | 4-Piperidin-1-yl-3-piperidin-1-ylmethyl-chromen-2-one | 83234-04-2 | C20H26N2O2 | 326.439 |
—— | 4-(4-Methyl-piperazin-1-yl)-3-piperidin-1-ylmethyl-chromen-2-one | 83234-06-4 | C20H27N3O2 | 341.453 |
—— | 4-Morpholin-4-yl-3-piperidin-1-ylmethyl-chromen-2-one | 83234-05-3 | C19H24N2O3 | 328.411 |
Unsymmetrically substituted dicoumarol derivatives have been synthesized by taking advantage of the fact that 4-hydroxycoumarins will undergo the Mannich reaction at C3 and also take part in Michael-type addition reactions. In the presence of methyl iodide, 4-hydroxy-3-N-piperidinomethylcoumarin and 4-hydroxycoumarin gave dicoumarol. By using monosubstituted 4-hydroxycoumarins a variety of unsymmetrically substituted dicoumarols have been prepared in good yield. The infrared spectra of some of the intermediates and products are reported and discussed.