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- dihydroxy propanal 二羟丙醛, 甘油醛
- Lead, bis(carbonato (2-))dihydroxy;Lead carbonate, basic;Lead subcarbonate;White lead;basic lead carbonate ... 碳酸二羟铅;碱式碳酸铅;珠光粉;铅白;白铅粉香港
- Recent development in hydroformylation of ethene to propanal by catalytic synthesis is introduced in this paper. 本文综述了采用均相催化剂、均相固载化催化剂以及多相催化剂催化合成丙醛的研究成果。
- Among these products the production of propanal, propanol and propionic acid remains almost a blank in China. 介绍了世界丙醛系列产品的生产与应用。
- A new type of azacrown ether crosslinked chitosan was synthesized by reaction of chitosan with dihydroxy mesocyclic diamine activated by epoxidation. 以壳聚糖为原料，与经环氧活化的双羟基中环二胺反应，制备了一种新型的氮杂冠醚交联壳聚糖。
- Aluminum propoxide for the Tishchenko condensation of propanal to propyl propionate is prepared from aluminum powder and propanol. 以合成出的丙醇铝为催化剂,无水氯化锌为助催化剂,用丙醛一步合成了丙酸丙酯,收率可达92%25,选择性可达93%25。
- New utilizations were introduced in this paper,such as 1,3- propanediol,dihydroxy acetone,1,2- propanediol,epichlorohydrin. 介绍了甘油新的开发应用,包括1,3-丙二醇、二羟基丙酮、1,2-丙二醇和环氧氯丙烷的制备研究及应用。
- Dihydroxy fatty acids as additives in rapeseed oil show better friction-reduction and antiwear properties than monohydroxy fatty acids in the same base stock. 双羟基脂肪酸比单羟基脂肪酸的减摩抗磨效果更为明显；
- The engineering feasibility of making propanal, propanoic acid, and propanol by high-pressure oxoprocess was reviewed. The productive suggestion was also proposed. 探讨了利用高压羰基合成装置生产丙醛，进而生产两酸、丙醇的可行性。并提出了吉化生产上述产品的建议。
- Methods Oxidative damaged rat model mimic AD (AD group) was established by injection of dihydroxy fumaric acid (DHF) and FeCl3 ADP into the left lateral ventricle of rats. 方法 采用二羟延胡索酸 (DHF)和FeCl3 ADP左侧脑室注射法制作大鼠氧化损伤型类AD大鼠模型 ;
- Research results of catalytic synthesis propanal by homogeneous catalysts,immobilized homogeneous catalysts and heterogeneous catalysts are also reviewed.These results sho... 不同的催化剂在活性、选择性、稳定性等方面各有特点,而多相催化剂由于其稳定性好、易于分离等特点将成为今后该领域的重要研究方向。
- Different synthetic routes of squaric acid(3,4 dihydroxy cyclobutene 1,2 dione) are summarized . The limitations and advantages of particular routes are discussed. 介绍了方酸 (3 ,4 二羟基 3 环丁烯 1,2 二酮 )的各种合成方法 ,评述了有机化学、电化学、生物发酵等方法合成方酸的进展及应用前景。
- Methyl 3 (3,4 methylenedioxyphenyl)acraldehyde was synthesized through Claisen Schmidt condensation reaction of the heliotropin and propanal with KF/Al 2O 3 as a catalyst, in yield over 80%. 以 KF/Al2 O3 作催化剂 ,催化洋茉莉醛和丙醛的 Claisen-Schmidt缩合反应合成了 2 -甲基 -3 -(3 ,4-亚甲二氧基苯基 )丙烯醛 ,收率超过 80%25。
- Different synthetic routes of squaric acid(3,4 dihydroxy cyclobutene 1,2 dione) are summarized . The limitations and advantages of particular routes are discussed. 29 references are presented. 介绍了方酸(3,4二羟基3环丁烯1,2二酮)的各种合成方法,评述了有机化学、电化学、生物发酵等方法合成方酸的进展及应用前景。参考文献29篇。
- A method for the synthesis of new reagent 2,3,7 trihydroxy 9 (2,4 dihydroxy) phenylfluorone (DHPF) was introduced with hydroquinone and 2,4 dihydroxybenzaldehyde as basic material. 以对苯二酚、2,4-二羟基苯甲醛为基本原料,报道了新显色剂2,3,7-三羟基-9-(2,4-二羟基)苯基荧光酮(DHPF)的合成方法。
- Dihydroxy acetone and its derivatives are important chemical or biochemical materials,which have been widely applied in chemistry,pharmacy,food,cosmetic industry and purification of water. 二羟基丙酮及其衍生物作为一种重要的化工、生化原料,在精细化工、制药、食品、化妆品工业和水质净化等方面潜在广泛的应用前景。
- MVA lactone has been synthesized from simple and cheap chemical reagents , such asacetone, formaldehyde, acid anhydride, tert - butanol and 2 - chloro - propan, The overallyield is 45%. 本文采用实验室常见且价廉的丙酮、甲醛、乙酸酐、叔丁醇及异氯丙烷为原料，通过醛酮缩会、酸酐酰化、格氏反应等方法，合成了甲瓦龙酸内酯，收率达到35%25-45%25。
- Dihydroxy propyl dimethyl lauryl ammonium chloride 二羟基丙基二甲基十二烷基氯化铵
- hydroquinone dihydroxy ethyl ether 氢醌二羟基乙醚
- brominated dihydroxy diphenyl ether 溴代二羟基二苯醚
