研究了对甲酚经空气氧化合成对羟基苯甲醛反应过程。
The experimental study on the preparation ofp hydroxybenzaldehyde by p cresol oxidation has been carried out in this work.
对羟基苯甲醛在样品储备、准备和分析过程中稳定性良好。
P-hydroxy benzaldehyde has proved to be stable during all sample storage, preparation and analytical periods.
由对羟基苯甲醛经过硝化、腈化和碘化反应也合成了硝碘酚腈。
Nitroxynil was also prepared from p -hydroxybenzaldehyde by nitration , cyanation and iodination of the product.
采用酶学动力学方法研究2-羟基-4-甲氧基苯甲醛(HMB)对酪氨酸酶的单酚酶和二酚酶活力的抑制效应。
The inhibition effect of 2-hydroxy-4-methoxy-benzaldehyde(HMB)on the activity of monophenolase and diphenolase contained in tyrosinase was studied using enzymological kinetic method.
羟基处于醛基邻位和对位的苯甲醛与几种苯乙酮衍生物的缩合,多数没有得到预期的产物,或收率极低;苯乙酮环上的羟基对缩合反应影响很大,羟基越多,缩合越困难。
The groups in ring of benzaldehydes, no matter they are electron withdrowing or electron donating except of hydroxy, do not seem to have much effect on the yield.
羟基处于醛基邻位和对位的苯甲醛与几种苯乙酮衍生物的缩合,多数没有得到预期的产物,或收率极低;苯乙酮环上的羟基对缩合反应影响很大,羟基越多,缩合越困难。
The groups in ring of benzaldehydes, no matter they are electron withdrowing or electron donating except of hydroxy, do not seem to have much effect on the yield.
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