This radical attacks the carbonyl group to an intermediate bicyclic ketyl.

烷基自由基对羰基进行进攻，生成双环的羰自由基中间体。

The 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.

通过4-甲氧基苯甲醛的羰基加成反应合成4-甲氧基-苯基羟基乙酸。

No evidence for carbonyl formation was observed.

壳聚糖辐照后并未发现有羰基形成。

The temperature of carbonyl synthesis reaction is studied.

摘要对羰基合成反应的温度进行了研究。

An emphasis is given to the supported metal carbonyl clusters.

重点在担载金属羰基簇。