以甲醇为提取溶剂;
Methods Gimeracil polymorphs were prepared by alkali-acid treatment or recrystallization with EtOH, MeOH, etc.
方法分别以“碱溶-酸析”法或甲醇、 乙醇等有机溶剂重结晶法,制备吉美拉西的多晶型。
Finally, condensation of (iv) with 2 - (4-hydroxyphenyl) acetamide (v) by means of KOH in MeOH gives the desired product.
最后,凝结(四)2-(4 -羟苯基)乙酰胺(五)的方式在氢氧化钾甲醇给人的理想产品。
We have determined the content of bergenin in the rhizome and MeOH extractive of Rodgersia aesculifolia Batal by TLC-scanning method.
采用薄层扫描法测定了鬼灯檠根茎、醇提物中岩白菜素的含量。
A process for preparing 1-methoxy-2-propanol by selective ring cleavage-addition reaction of propylene oxide with MeOH in the presence of HM-9512 catalyst is described.
阐述了利用环氧丙烷和甲醇在催化剂HM-9512存在下,通过选择性开环加成制备1-甲氧基-2-丙醇的工艺过程。
A process for preparing 1-methoxy-2-propanol by selective ring cleavage-addition reaction of propylene oxide with MeOH in the presence of HM-9512 catalyst is described.
阐述了利用环氧丙烷和甲醇在催化剂HM-9512存在下,通过选择性开环加成制备1-甲氧基-2-丙醇的工艺过程。
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