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氨基化钠

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Experiments show that Ang Ⅱ activates JNK mediated by AT〓, and JNK increases transcription activity of c-Jun by phosphorylating c-Jun amido-terminal, and induces expression of c-Fos gene. c-Jun and c-Fos form transcriptional factor activated protein-1 complex. AP-1 may stimulates genes which correlate with cardiovascular remodeling expression, such as transforming growth factor, collagen type Ⅰ and Ⅲ, skeletal muscle α-actin,β-MHC, atrial natriuretic factor.

实验表明,在心肌和血管平滑肌细胞Ang Ⅱ通过AT〓介导激活JNK;JNK通过磷酸化c-Jun氨基末端增加c-Jun的转录活性并诱导c-Fos基因表达,c-Jun和c-Fos蛋白形成转录因子复合物激活蛋白-1(AP-1),并刺激各种心血管重塑相关基因如转化生长因子-β1(TGF-β1)、Ⅰ,Ⅲ型胶原、骨骼肌α-actin、β-MHC(β-myosin heavy chain,β-肌球蛋白重链)、心钠素的表达。

Two steps were included in this reaction, first, sodium alkoxide was synthesized by th reaction between sodamide and cedrol, then cedrol methyl ether was synthesized by methylation reaction between sodium alkoxide and dimethyl sulfate.

反应分两步,首先氨基钠与柏木脑反应生成醇钠,然后醇钠与硫酸二甲酯进行甲基化反应生成甲基柏木醚。

The influence of each condition on the reaction speed and yield was studied, and the optimal conditions were: the ratio of the amount of substance of aromatic amine and heptafluoro-isopropyl iodine was 1:1.1~1.5, the amount of substance of sodium dithionite, sodium bicarbonate, aniline compounds were respectively 1.1~1.3, the amount of substance of phase transfer catalyst TBAB and aniline compounds was 0.05~0.1, the concentration of aniline compound was 0.5~1.0 mol/L, reaction temperature was 10~20 ℃, and the solvent was aether.

最佳结果为:芳胺与七氟异丙基碘的物质的量比1:1.1~1.5,连二亚硫酸钠、碳酸氢钠与苯胺的物质的量分别为1.1~1.3,相转移催化剂四丁基溴化铵与苯胺的物质的量比在0.05~0.1,溶剂总用量使苯胺浓度在0.5~1.0 mol/L;反应温度10~20℃;溶剂采用乙醚。取代基供电子性越强,反应时间越短,产率越高;氨基的对位优先反应,氨基的邻位较难发生反应;且七氟异丙基总是优先取代在芳环电子云密度较高的位置上。

The results showed MMT/amino-resin prepolymer can be obtained by the synthesis of MMT, amido materials and formaldehyde after sodium bisulfite process.

试验结果表明,用MMT、氨基物与甲醛进行合成,亚硫酸氢钠磺化得到MMT-氨基树脂预聚体,然后加入改性后的水玻璃得到最终产品。

In the third part of this paper, a facile method is presented for synthesis of malonaldehyde dianil from propargyl alcohol by oxidizing using chromium trioxide and addition reaction with aniline.

对肼基苯磺酸是由对氨基苯磺酸经亚硝酸钠重氮化得到的重氮盐用亚硫酸氢钠还原、水解、硫酸酸化制得,本文经多次实验确定了反应原料、用量及反应条件,得到的产品纯度好,产率高。

Results CsA clearly decreased creatinine clearance and increased urinary excretion of N-acetyl-β-D-glucosaminidase in rats as compared with those in the vehicle group. Morphologic changes consisted of vacuolization of tubular cell, expansion of the interstitium and interstitial fibrosis, hyalinization of afferent arterioles. Severity of the injury was related to the dosage of CsA. Striped interstitial fibrosis and arteriolopathy were more severe in the rats treated with CsA and low-salt diet than with CsA and normal diet.

结果 用CsA的大鼠出现尿量增多、内生肌酐清除率下降、尿N-乙酰-β-D-氨基葡萄糖苷酶排泄增多等;病理上表现为不同程度的细胞浊肿、空泡变性及灶性分布的间质纤维化和小动脉病变,随CsA剂量的增加,病变呈加重趋势;结合低钠饮食,CsA慢性肾毒性病变明显加重。

Paraacetaminophenyl-β-hydroxyethylsulfone can be used as raw material to produce the target product 2-sulfonic-4-(β-sulphatoethyl-sulphone) phenylamine through sulfonationating and hydrolytic reactions.

本文研究了以对乙酰氨基苯基-β-羟乙基砜为原料,经磺化和水解反应,制得产品2-磺酸-4-苯胺的合成工艺,以及2-磺酸-4-乙基砜基硫酸酯苯胺钠盐后处理的最佳操作工艺。

IGAD by sodium alginate can produce γ-aminobutyric acid well which may possibly be used as an industrial method to produce GABA.

海藻酸钠法固定化谷氨酸脱羧酶可以很好的转化谷氨酸钠生成γ-氨基丁酸,具有实用的潜力。

Nitrobenzene is used as original material,it is sulfonated by gas sulphur trioxide to product sodium m-nitrobenzene sulfonate.

以硝基苯为原料进行磺化,采用气体三氧化硫为磺化剂,生产间硝基苯磺酸钠,提高了产品纯度,减少了90 %的废酸,使生产能力提高了一倍,为还原硝基生产氨基苯磺酸钠打下了良好的基础。

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