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- Synthesis of acyl azide from aldehyde, or acylhydrazine, or carboxylic acid ,or acyl chlo-ride, or anhydride,or ester is introduced in this paper. 介绍了由醛、酰肼、羧酸、酰氯、酐或酯合成酰基叠氮化合物方法。
- acyl azide 酰基叠氮
- Cupric azide is insoluble in water. 叠氮化铜不溶于水。
- An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰
- Guanyl azide is then isomerized to aminotetrazole. 随后,叠氮化脒异构化生成氨基四氮杂茂。
- 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。
- Silver azide does not dissolve in water or in nitric acid. 叠氨化银不溶于水或硝酸。
- One-Pot Preparation of N-Carbamate Protected Amino Acids via Azide. N-氨基甲酸经叠氮化保护氨基酸的一勺烩制备。
- 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.
- It is possible to harness the versatile chemical properties of cyanogen azide. 氰化叠氮的灵活多变的化学性质是可控制的。
- "Effluent standards for water pollutants from lead azide, lead styphnate and D. S crystals manufacturing industry"<WESTBANK>叠氮化铅、三硝基间苯二酚铅、D.
- Toward this end, the olefin 51 was treated with cyanogen azide and, indeed, produced the ring expanded ketone 52. 为了证明这一看法,他用氰化迭氮处理烯烃(51)就得到扩大的环酮。
- 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。
- CDH was inhibited by Zn2+ and Ag +, but it was not influenced by azide and cyanide. Zn(2+)和Ag+对该酶活性有很大的抑制作用,而叠氮化钠和氰化钾对酶活力没有影响。
- 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;
- METHODS To replace the hydrogenation of the azide compoumd with reducing the amide with LAH. 方法 用四氢锂铝还原酰胺的方法代替叠氮化物的氢化。
- 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.
- CDH was inhibited by Zn2+ and Ag+, but it was not influenced by azide and cyanide. Zn2+和Ag+对该酶活性有很大的抑制作用,而叠氮化钠和氰化钾对酶活力没有影响。
- 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。
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