1 . The reactivity of wheat straw soda lignin ( WSSL ) can be improved by demethylation modification.

麥草 堿木素在堿催化下經(jīng)脫甲基改性可提高其反應(yīng)活性.

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2 . Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction, acylation, demethylation and bromination overall yield.

以水楊醛為原料,經(jīng)縮合 、 還原 、 酰化 、 脫甲基、溴化反應(yīng)制得苯溴馬隆,總收率40.6%.

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3 . The synthesis of naloxone was improved and the method for O - demethylation was investigated.

改進(jìn)了納洛酮的合成工藝,尤其探討了去氧甲基的方法.

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1.脫甲基化

1.去甲基〔作用〕：從化合物中除去甲基(－CH3)

1 . 脫甲基

demasking 解蔽demethylation脫甲基demijohn 酸瓶

2 . 脫甲基化

demasking 解蔽demethylation脫甲基化demineralized water 脫礦質(zhì)水

3 . 去甲烷化

去甲烷塔Demethanization去甲烷化demethylation脫甲基作用Demeton

4 . 脫甲基作用

脫氯作用dechlorination脫甲基作用demethylation脫色素〔作用〕depigmentation

demethylation相關(guān)短語搭配

1 . 脫甲基抑制劑

delivery of pump 泵的供水量demethylation inhibitor 脫甲基抑制劑(13,662)

1 . 去甲土根酚堿

吐根酚堿2. demethyl cephaeline 去甲土根酚堿3. Cephaeline Methyl Ether 依米丁, 吐根堿, 吐根素, 吐根酚堿甲醚[抗.

1 . 去甲巖白菜素

... [11-O- ,3′ ,4′-dimethyl-galloyl,bergenin] ,去甲巖白菜素,demethyl bergenin,以及無羈萜,friedelin, β -谷甾醇, β -sitosterol,紫金牛醌,rapanone.

1 . 脫甲基方法

demethylation method of anisole containing fluorinated groups含間氟基團(tuán)苯甲醚的脫甲基方法