*********化
The 3,4,5 trimethoxybenzaldehyde is synthesized from p cresol in four steps of bromination, hydrolyzation, methoxylation, and methylation, with an overall yield of 53.
以*********为原料经溴化、水解、*********化和甲基化4步反应合成药物中间体3，4，5-三*********苯甲醛，总收率达53。
methoxylation（甲氧基化）是有机化学中引入甲氧基（-OCH₃）的化学反应，常见于药物合成和有机中间体制备。以下是详细解释：
如需更专业的反应式或应用案例，可参考科学数据库（如ScienceDirect）。
Methoxylation（甲氧基化）is a chemical process that adds a methoxy group to a molecule. The resulting product is called a methoxylated compound. This process is commonly used in the pharmaceutical industry, as well as in the synthesis of organic compounds.
Methoxylation is the process of adding a methoxy group (-OCH3) to a molecule. This process is used to modify the properties of a compound, such as its solubility and reactivity. Methoxylated compounds are often used in the production of drugs, as they can improve the pharmacokinetics and pharmacodynamics of a compound.
Methoxylation is a common process in the pharmaceutical industry, where it is used to modify drug molecules. The addition of a methoxy group can improve the drug's solubility, stability, and bioavailability. Methoxylated compounds are also used in the synthesis of fragrances, dyes, and other organic compounds.
There are no commonly accepted antonyms for methoxylation, as it is a specific chemical process. However, one could use the term "demethoxylation" to describe the removal of a methoxy group from a molecule.
In summary, methoxylation is a chemical process used to add a methoxy group (-OCH3) to a molecule. This process is used to modify the properties of a compound, such as its solubility and reactivity. Methoxylated compounds are commonly used in the pharmaceutical industry and in the synthesis of organic compounds.
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