乙基锂 、
2-(2,3-dihydro-6-methyl-4-oxo-5-phenyl-4H-1,3-oxazin-3-yl)-1-(3-hydroxymethyl-cyclopent-2-enyl)-2-methylpropan-1-ol 、
对甲苯磺酰氯 、
三乙基硼氢化锂 、
2-(2,3-dihydro-6-methyl-4-oxo-5-phenyl-4H-1,3-oxazin-3-yl)-2-methyl-1-(3-methylenecyclopentyl)propan-1-ol 、
2-(2,3-dihydro-6-methyl-4-oxo-5-phenyl-4H-1,3-oxazin-3-yl)-2-methyl-1-(3-methylcyclopent-2-en-1-yl)propan-1-ol 、 、 在
四(三苯基膦)钯 氩 、 Brine 、
magnesium sulfate 、
acetone hexane 、 silica gel 、
hexane-diethyl ether 、 2-(2,3-dihydro-6-methyl-4-oxo-5-phenyl-4H-1,3-oxazin-3-yl)-2-methyl-1-(3-methylenecyclopentyl)propan-1-one 作用下,
以
乙醚 、
四氢呋喃 、
二氯甲烷 、
水 、
乙酸乙酯 为溶剂,
反应 6.5h,
以to give 2-(2,3-dihydro-6-methyl-4-oxo-5-phenyl-4H-1,3-oxazin-3-yl)-2-methyl-1-(3-methylenecyclopentyl)propan-1-one (Compound 1076, 25 mg), NMR: 1.44(s,6H), 1.94(s,3H), 1.85-2.60(6H), 3.32(1H), 4.84(s,1H), 5.27(s,2H), 7.22-7.40(5H)的产率得到2-(2,3-dihydro-6-methyl-4-oxo-5-phenyl-4H-1,3-oxazin-3-yl)-2-methyl-1-(3-methylenecyclopentyl)propan-1-one