P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.以苯甲醚为原料,经过氯甲基化, 氰化反应后, 通过精馏获得对甲氧基苯乙腈,总收率为34.8%....
通过将一间大屋用隔断断开的方法再隔出了几间卧室。Bedrooms have again been created by partitioning a single larger room.维基·布朗到家时发现那些人正在断开她微波炉的开关。Vicky Brown arrived home to find the men disconnecting her microwave.先将锅炉与供水总管断开。First, disconnect th...