R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.

R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基.

辞典例句

A new method of synthesis of Vanillin from 2 methoxy 4 methyl phenol was studied.

研究了4甲基愈创木酚一步氧化法合成香兰素的新工艺.

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Also, the preparation process ofm - methoxy aniline from m - aminophenol was improved.

同时改进了以间氨基苯酚为原料制备间甲氧基苯胺的工艺.

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Objective To synthesize 2 - ( 4 - methoxypheny ) - 6 - methoxy - benzo [ b ] thiophene.

摘要目的合成目的产物 2- ( 4- 甲氧 基苯基 ) - 6- 甲氧基苯并噻吩.

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Purpose To synthesize a new antitumor drug 2 - methoxy estradiol which is an angiogenesis inhibitor.

目的合成抗肿瘤新药新生血管形成抑制剂2甲氧基雌二醇.

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Production methods: p - methoxy cinnamic acid and ethanol reaction, p - toluenesulfonic acid as a catalyst.

生产方法: 对甲氧基肉桂酸与乙醇反应, 对甲苯磺酸作催化剂.

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