methylenation

基本解釋

• n.亞甲基化作用

同根派生

• methylenation相關(guān)詞

英漢例句

• Safrole is synthesized from catechol through methylenation, selective bromination and Wurtz - Fittig reaction Respectively in yield 85.1%, 74.1%, 72.8% and in total yield 45.9%.
  本文研究以鄰苯二酚為起始原料;經(jīng)亞甲基化、選擇性溴化、武茲-菲提格反應三步合成黃樟油素;其三步收率分別為85.;1%25;74
• At the end of reaction, besides methylenation reaction, there still exists a decomposition reaction of the ether linkage, and a little amount of ether linkage still occurs after the end of reaction.
  在樹脂的縮聚階段除了有亞甲基化的反應外，還存在著醚鍵的分解反應，少量的醚健在反應結(jié)束后仍然存在。
• Keywords Light stabilizer;UV absorber;Methylenation;Synthesis;
  光穩(wěn)定劑;紫外吸收劑;亞甲基化;合成;
• Study on the Carbonyl Methylenation of cis-Acetylcyclohexanecarboxylic Acid
  Cis-4-乙?；h(huán)己基甲酸的羰基亞甲基化反應研究
• eyedrops of methylen blue
  美藍滴眼劑, 亞甲藍滴眼劑

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