• 基礎(chǔ)釋義
• 例句
• 行業(yè)詞典釋義

• Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studied. 環(huán)合反應(yīng)采用乙醇鈉作為Baker-Venkataraman重排反應(yīng)的催化劑, 研究了影響反應(yīng)的各個(gè)因素.
• Application of samarium diiodide in mediating intramolecular cyclization reactions was reviewed. 綜述了二碘化釤在分子內(nèi)環(huán)化反應(yīng)中的應(yīng)用.
• Menthol was obtained from lemon eucalyptus oil via cyclization and catalytic hydrogenation. 以檸檬桉葉油為主要原料經(jīng)環(huán)化、催化氫化二步反應(yīng)得到薄荷醇.
• Cyclization occurs readily with dilute alkali. 遇到稀堿就容易環(huán)化.
• METHODS Cilnidipine was synthesized from cinnamyl alcohol by esterification, feminization and condensation - cyclization. 方法以肉桂醇為原料,經(jīng)酯化 、 氨化和縮合 - 環(huán)合而得.
• Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05 %. 以苯甲酰氯為原料,經(jīng)酰化, 還原, 環(huán)合等反應(yīng)合成左旋西替利嗪鹽酸鹽,反應(yīng)總收率為8.05%.

• 化學(xué)： 環(huán)化；