it has been completed successfully to synthesize benzaldehyde via ozonization and reduction reaction, which makes use of large quantity cinnamic aldehyde contained in natural cinnamon oils.
利用天然肉桂油中富含的肉桂醛,经过臭氧化反应和还原反应制得了苯甲醛。由该法制得的苯甲醛在国际上可作为天然苯甲醛使用。
objective:to establish the contents determination method of( - ) -menthone, menthol, cinnamic aldehyde in po sum on oil by capillary column gas chromatography.
目的:采用高效毛细管气相色谱法同时测定保心安油中(-)-薄荷酮、薄荷脑和桂皮醛的含量。
objective:to determine the content of cinnamic aldehyde in guifu dihuang pill by hplc, and to establish the quality standard of guifu dihuang pill.
目的:建立桂附地黄丸中桂皮醛的含量测定方法,用于建立桂附地黄丸的质量标準。
cimmamic acid was preparaded from cinnamic aldehyde by using air as oxidation agent in the presence of ag absorbed on active c. the yield of oxidation was 95.8%.
以银吸附在活性碳上作催化剂 ,用空气作氧化剂 ,将肉桂醛转化为肉桂酸 ,收率为95 8%。