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- 反应产生的HCl能与NDA生成快速反应产物NDA盐酸盐，抑制了NDA与NDI生成脲副反应的进行，客观上起到了保护氨基，提高反应选择性的作用。L-1, n(NDA):n(BTC)=3:2.5. HCl produced during the reacting process could protect amidogen, and improve the reaction selectivity objectively, because it could react with NDA to form fast reaction product - NDA hydrochlorate, which restrained NDA from reactingwith NDI to form urea.
- 结果表明, 由于HCl与 NDA生成了快反应产物 NDA盐酸盐, 抑制了 NDA与 NDI生成脲副反应的进行, 起到了保护氨基的作用, 从而提高了 NDI 的选择性。The results showed that HCl functionated to protect amino-group by reacting with NDA to form NDA hydrochlorate, which restrained NDA from reacting with NDI to form urea resulting in the improvement of NDI selectivity.
- 反应response
- 副vice-
- 低值鱼蛋白酶解产物对酱香型美拉德反应产物风味的影响The Effect of Different Low-valued Fish Hydrolysates on Sauce Flavor Synthesis by Maillard Reaction
- 离子型造影剂中加地塞米松预防CT增强扫描副反应的对比研究Comparative study of Ionic Contrast Medium With Dexamethasone During Enhanced CT Scanning
- 界面反应产物interfacial reaction products
- 毒副反应Adverse effect
- 不同反应条件下的Maillard反应产物对卷烟燃吸品质的影响研究Effects of Maillard reaction product under different reaction conditions on cigarettes
- 核副反应[化] primary interference; primary interfering reaction
- 棕色化反应产物browning reactions
- IUD副反应IUD side - effect
- 梅拉德反应产物1 - carboxyethylamino - 1 - deoxy - D - fructose
- 塞来昔布对胃肠毒副反应及用于肿瘤靶向防治的可行性研究Gastrointestinal adverse effects of celecoxib and its feasibility of application in target therapy on neoplasm
- 杂多酸盐催化苯酚羟基化制备苯二酚反应产物的反相高效液相色谱分析Reversed-phase HPLC determination of related dihydric phenols in phenol hydroxylation catalyzed by heteropolyacid salts
- 交联副反应crosslinking side reaction
- 苯酚和草酸二甲酯酯交换合成碳酸二苯酯反应产物的气相色谱-质谱分析Analysis of Synthesized Products from the Transesterification of Phenol with Dimethyl Oxalate by Gas Chromatography-Mass Spectrometry
- 放热副反应exothermic auxiliary reaction
- 美拉德反应产物研究进展Research Achievement on Mai lard Reaction Products
- 急性副反应Acute side-response
