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- acyl phloroglucinol 酰基间苯三酚
- An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰
- An example of the acyl group is the acetyl group. 乙酰基是酰基的一个例子。
- Tannase is an acyl hydrolase of tannin. 单宁酶是水解单宁酯键的酶,用途广泛,具有重要的商业价值。
- Studies on Phloroglucinol Derivatives of Dryopteris fragrans L. 香鳞毛蕨中间苯三酚衍生物的研究。
- Methods:EFTA is synthesized from EATA by one step:acyl. 方法:以2-氨基-噻唑基-4-乙酸乙酯(EATA)为原料;经氨基甲酰化反应得到 EFTA.
- The method of phloroglucinol to determine the content of wheat pentosan was discussed as well. 同时对“间苯三酚-冰醋酸法”测定小麦戊聚糖的含量进行了讨论。
- The total gossypol and free gossypol in edible cottonseed protein are determined by phloroglucinol colorimetry. 棉仁蛋白是一种潜在的重要食品资源,由于棉酚的存在一直未被人类充分利用。
- Synthesis routes and research advance of phloroglucinol were reviewed with 24 references. 综述了间苯三酚的合成方法及最新研究进展。参考文献24篇。
- Objective To examine the effect of intravenous injection of phloroglucinol plus hand cervical dilation. 目的探讨间苯三酚静脉注射配合徒手扩张宫颈缩短产程的效果。
- Use of ammonia gas: fertilizer and various ammonia containing compound, various amidogen, acyl and other ammonia containing testing agents (explosives) etc. 氨气用途:化肥和各种含氨化合物。各种胺基、酰基、硝酸和各种含氨制试剂(炸药)等。
- The acyl chloride product was fluorinated by potassium fluoride and esterified by methanol to synthesize dimethyl tetrafluoroterephthalate. 以氟化钾为氟化剂,环丁砜为溶剂置换氟化,再与甲醇酯化得到四氟对苯二甲酸甲酯;
- Histochemistry The location of particular chemical compounds within tissues by the use of specific staining techniques, for example phloroglucinol to stain lignin. 组织化学:是利用特殊的染色技术定位组织内的特殊化合物,如利用间苯三酚使木质素着色。
- The overall yields of luteolin and orobol, calculated from phloroglucinol as the starting material, were 22% and 15%, respectively. 以间苯三酚为原料计,木犀草素和奥洛波尔的总收率分别为22%25和15%25。
- Structure 4 is the reaction intermediate for H2C=C(OH)Na to serve as acyl anion equivalent. H_2C=C(OH)Na具有双重反应性;结构4是发生亲核反应的中间体;发生类卡宾反应时经过类似构型2的中间状态.
- The effects of organic solvents, acyl donors and amounts of lipase on the reaction were studied. 攷察溶剂、酰基供体和加酶量对反应的影响,确定有机相中酶促拆分环氧丙醇的最适反应条件。
- The phloroglucinol was synthesized from aniline via bromization,deamination,methoxylation and demethylation.The overall yield is 67.4%. 以苯胺为原料;经废氢溴酸溴化、脱胺基、甲氧基化、路易斯酸脱甲基四步合成间苯三酚;总收率为67.;5%25。
- Maltose fatty acid ester was prepared with maltose and fatty acyl chloride in the presence of catalyst. 以麦芽糖和脂肪酰氯为原料,制备麦芽糖脂肪脂酸酯。
- Phloroglucinol was prepared from sodium trinitrobenzoate through catalytic reduction and pressurizedhydrolysis in 62% overall yield. 三硝基苯甲酸钠经催化还原、加压水解等反应制得间苯三酚,总收率62%25。
- In addition, the effect of concentration of acyl chloride on the rate of ammonolysis was very small. 但在反应后期,反应速率呈明显的二级反应特征。