采用正交实验，考察了原料投料比、 回流反应时间、 催化剂等因素对合成的影响。
The effects of feed composition, reflux reaction time and catalyst concentration on PPTD yield were investigated.
方法：以异丙醇或THF为溶剂，盐酸或硝酸为催化剂，香叶醇与苯亚磺酸钠回流反应18或28 h得香叶基砜。
Methods: In the presence of hydrochloric acid or nitric acid, geranyl sulfone was prepared from geraniol in isopropyl alcohol or THF under reflux conditions for 18 h or 28 h, respectively.
现在国外货币交易市场对此的反应是，避险和海外资金回流已经迅速推高了日元对其它主要货币的汇率。
As we have seen in the price action in the foreign exchange market, risk aversion and repatriation flows has driven the Yen sharply higher against all of the major currencies.
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