ketal信息详情
n.缩酮
buckeye recruits───七叶树新兵
take a plane───乘飞机
on a hike───徒步旅行
key fob───钥匙坠大小的存储器
bat fowling shakespeare definition───捕蝙蝠莎士比亚的定义
houston rockets───休士顿火箭队（NBA篮球队）；[体]休斯敦火箭队
no token───没有代币
trumpet like flower───小号花
jesters waukegan───杰斯特·沃基根
berserker soul───狂暴的灵魂
The invention relates to garland chrysanthemum extract compounds, and a synthesis method and application thereof. The compounds have enol ether-spiro ketal-acetals and unsaturated side chains.───本发明茼蒿素类化合物及其合成方法与应用，该化合物具有烯醇醚-螺环缩酮-缩醛和不饱和侧链。
ketal was synthesized with I_2 as catalyst.───为催化剂合成了环戊酮乙二缩酮。
Toluene is used as azeotrope in the preparation of ketal.───酮制备时，采用甲苯为共沸剂；
Ketal compounds are superior to mother-of floral, fruit incense smell, is a new type of spices , widely used in daily food and fragrance.───缩酮化合物具有优于母体酮的花香、果香气味，是一类新型合成香料，广泛应用于食品和日用香精。
METHODS The hydroxyl groups of magnolol were protected using ketal reaction and the products were purified by recrystallization from hexane.───方法将厚朴酚两羟基用缩酮保护，再用正己烷重结晶分离纯化。
The Acid Property of Titanium Sulfate Doped Lanthanum Oxide and its Catalytic Activity in Ketal Synthesis───镧掺杂硫酸钛的酸性及催化缩酮活性
Synthesis of acetophenone ethylene glycol ketal using vanadium phosphorus oxide as heterogeneous catalyst───钒磷氧非均相催化合成苯乙酮乙二醇缩酮
Synthesis of cyclohexanone glycol ketal catalyzed by manganese chloride tetrahydrate───四水氯化锰催化合成环己酮乙二醇缩酮
Acidic property of titanium sulfate and its catalytic activity in synthesis of ketal───硫酸钛表面酸性的表征及其催化缩酮活性