The microcapsule of methyl salicylate MS was prepared by utilizing dried yeast s.
以灭活的干酵母细胞为囊壁材料制备水杨酸甲酯微囊。
CONCLUSION The bis (s) -naproxen methyl ester is chiral compound.
结论合成的双(S)-萘普生甲酯是手性化合物。
In this paper (s) -3-methyl-1, 1-diphenyl-1, 2-butanediol has been synthesized. The structure is conformed by IR? NMR and element analysis.
本文合成了(S) - 3 -甲基- 1,1 -二苯基- 1,2 -丁二醇，并通过元素分析、核磁共振、红外光谱测定了其结构。
A new optically active monomer of 4(S)—2—Methyl—4—Methoxycarbony1—2—Oxazoline has been synthesized from L—serine.
以L—丝氨酸为原料，合成了旋光纯度很高的4（S）—2—甲基—4—甲氧羰基—2—恶唑啉单体。
By using efficient padding, fusel oil was exactly distilled twice after being preliminarily dealt with. And then we got highly pure 2-methyl -1-butanol and (S)-(-)-2-methyl -1-butanol.
采用高效填料，通过对预处理后的杂醇油进行两次精密精馏，得到了高纯度的2-甲基-1-丁醇和（S）-（-）-2-甲基-1-丁醇。
After quite inferior hyphoaphoeous acid, 50% phoaphoeous acid solution and tributyl tin hydride S-methyl sulphur being suitable reducing agent is 50% phoaphoeous acid solution;
经过比较50%次亚磷酸水溶液和三丁基氢化锡以及二苯硅烷三种还原剂，S-甲基磺原基适宜的还原剂为50%次亚磷酸水溶液；
After quite inferior hyphoaphoeous acid, 50% phoaphoeous acid solution and tributyl tin hydride S-methyl sulphur being suitable reducing agent is 50% phoaphoeous acid solution;
经过比较50%次亚磷酸水溶液和三丁基氢化锡以及二苯硅烷三种还原剂，S-甲基磺原基适宜的还原剂为50%次亚磷酸水溶液；
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