Water → 3-allyl-2-(4-methoxybenzylthio)-3H-spiro[benzo[h]quinazoline-5,1'-cyclohexan]-4(6H)-one

関与物質

反応手順

A mixture of 3-allyl-2-thioxo-2,3-dihydro-1H-spiro[benzo[h]quinazoline-5,1′-cyclohexan]-4(6H)-one (5, 0.100 g, 0.295 mmol), paramethoxybenzyl bromide (0.047 ml, 0.325 mmol), potassium hydroxide (0.025 g, 0.443 mmol) in Ethanol (1.738 ml) was refluxed overnight. 1 ml of water was added to the cooled reaction and the mixture was extracted with EtOAc 2×. The combined organics were washed with brine, dried over sodium sulfate, filtered, and concentrated. 1H NMR (500 MHz, CDCl3) δ ppm 8.17, 7.39-7.24, 6.88, 5.93, 5.31-5.26, 4.68, 4.57, 3.82, 3.07, 2.61, 1.75-1.72, 1.60-1.53, 1.43-1.37; MS (EI) m/z 459 (M+1)

情報源と証拠