fumaric

A phospho molybdic acid catalyst was investigated for the esterification of fumaric acid with methanol in this paper. The influences of raw material ratio, reaction time and amount of catalyst used on the yield of DMF were investigated.

研究了以磷钼酸为催化剂，富马酸和甲醇为原料合成富马酸二甲酯（DMF），探讨了酸醇量比、反应时间、催化剂用量等工艺参数对DMF收率的影响。

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Stearone glycol fumaric acid ( SGF ) was synthesized with maleic anhydride, cinnamyl alcohol and ethylene glycol.

由于烯二酸酐经醇解转型酯化途径合成了对皮肤无过敏反应的反丁烯二酸桂醇甘醇酯 ( SGF ).

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It is broken down via phenylalanine to give acetyl CoA and fumaric acid.

它通过苯丙氨酸降解出乙酰辅酶A和反丁烯二酸。

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fumaric acid esters: mechanisms and clinical use in the treatment of psoriasis

延胡索酸酯治疗银屑病的作用机理及临床应用

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Fumaric acid esters in necrobiosis lipoidica: Results of a prospective noncontrolled study

微波辐射下硫辛酸酯类衍生物的非均相合成延胡索酸酯类治疗类脂质渐进性坏死的前瞻性非对照研究

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Using furfural as the raw material with KClO_3 as the oxidant the V_2O_5 as the catalyst to prepare fumaric acid. Synthesis of dimethyl fumarate by esterification reaction of fumaric acid with methanol catalyzed by heterogeneous supported heteropoly acid PW_ ( 12)/ C.

研究了以糠醛为原料，以KClO3为氧化剂，V2O5为催化剂制备富马酸，在固载杂多酸PW12/C催化下，富马酸和甲醇经过酯化反应合成富马酸二甲酯。

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Esterification of fumaric acid with catalysts, isomerization of maleic acid and maleate with catalysts were investigated.

催化剂包括酯化催化剂和异构化催化剂, 分别催化富马酸的酯化和马来酸(酯)的异构化.

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And the pH value abc was reduced, especially for the feed with fumaric acid, that of the mash and pelleted feed were 4. 19 and 5. 18, respectively. So that the feed can be acidified by the addition of acidulating aunts.

所有酸化剂均使饲料pH值下降，其中以富马酸组的pH值下降最为明显，粉状和颗粒饲料的pH值分别为4.19和5.18，酸化剂的添加达到了饲料酸化的目的。

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Acetone; citric acid, pyruvic acid, malic acid and fumaric acid rank second;

起有益作用的有柠檬酸、丙酮酸、苹果酸、反丁烯二酸；

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dof was prepared by using anhydrous cupric sulfate as an esterification catalyst of fumaric acid with isooctyl alcohol.

探讨了无水硫酸铜作催化剂合成富马酸二异辛酯的方法和工艺条件。

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A quantum chemistry study on the influence of hydrogen bond on the acidity of maleic acid and fumaric acid

氢键对马来酸、富马酸酸度影响的量子化研究

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c_ ( 22)-tricarboxylic acid was synthesized from the fatty acid of cottonseed oil by converting non-conjugated linoleic acid to conjugated linoleic acid in the presence of iodine as catalyst, followed by diels-alder reaction between conjugated linoleic acid and fumaric acid.

以棉籽油脂肪酸为原料，将非共轭的亚油酸在碘催化下转化成共轭亚油酸，同时与富马酸发生Diels-Alder反应，制备了C（22）-三元酸。

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Acidifier A_1& A_2 were both composed with phosphorus acid ( 40%~ 50%), lactic Acid, citric acid, fumaric acid, cider acid, tartaric acid and excipient.

复合酸A1和复合酸A2是由磷酸、乳酸、柠檬酸、延胡索酸、苹果酸、酒石酸和赋形剂组成。

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carbohydrates such as sucrose, glucose, maltose fermentation by hagan may also be obtained fumaric acid.

碳水化合物如蔗糖、葡萄糖、麦芽糖经黑根菌发酵也可制得反丁烯二酸。

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One polyanhydride in particular-poly ( fumaric-co-sebacic anhydride )-showed greater adhesive forces than any other material tested.

特别是一种名为[丁烯二酸癸二酸酐]聚酸酐,其黏著力比所有其他测试过的物质都强.

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For example, fumarase catalyzes the interconversion of malic acid and fumaric acid.

如延胡羧酸酶能催化苹果酸和反丁烯二酸的可逆反应.

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effects of fumaric acid esters on differentiation of dendritic cells in vitro

延胡索酸酯对体外培养的树突状细胞分化的影响

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The principal acids used are phosphoric, citric, fumaric, tartaric, and malic acids.

主要添加的酸有磷酸 、 柠檬酸 、 富马酸 、 酒石酸和苹果酸.

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In this paper , the method of the synthesis of fumaric acid modified rosin was studied.

富马松香由富马酸对松香经过加成改性而成.

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