Application of samarium diiodide in mediating intramolecular cyclization reactions was reviewed.综述了二碘化钐在分子内环化反应中的应用.Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studie...
Cyclization occurs readily with dilute alkali.遇到稀碱就容易环化.Menthol was obtained from lemon eucalyptus oil via cyclization and catalytic hydrogenation.以柠檬桉叶油为主要原料经环化、催化氢化二步反应得到薄荷醇.METHODS Cilnidipine was synthesized from cin...
He made a living of sorts selling pancakes from a van.他靠用货车卖薄饼勉强度日。She even managed a grimacing smile of sorts.她甚至做了个怪笑。He was out of sorts physically , as well as disordered mentally.他浑身不舒服, 心绪也很乱....
幼犬在火炉前打滚.The puppies were rolling in front of the fire.虽然DJ还只是一只幼犬, 但它清楚地显示出了边境牧羊犬的典型斑纹.DJ is only a pup, but he clearly shows the classical markings.经销商:他们从商业犬舍购买幼犬,做转手的零售生意.One who buys puppies from commercial kennels ...
Avast! These aren't pirates, they're just a bunch of black people.且慢! 他们不是海盗, 只不过是一群黑人.We re under attack! Avast ya swabs ! Repel the invaders!我们正在被攻击! 你蠢人站住! 击退侵略者!Avast, there, all hands!喂! 全体来松帆!...
His future remains on a knife edge...他前途未卜。Even if the troops can be found, equipping them remains a problem.就算能找到这些军队, 装备他们仍然是个问题.The immediate outlook remains bleak...近期前景依然暗淡。The frame format remains the same across e...