DMAP相关论文
4-二甲氨基吡啶（4-Dimethylaminopyridine,DMAP）作为一种有机小分子催化剂,广泛应用在醇和胺的酰化反应中;反应条件温和、催化效率高......
环氧树脂的三维交联网络结构使得其无法再次熔融，这给环氧树脂制品的回收和再加工成型造成了困难。解决这一问题的关键是设计可温和......
海洋动物多倍体的诱导目前已成为海水养殖中品种改良的重要手段(楼允东,1984)。在美国,太平洋牡蛎和虹鳟的多倍体诱导已大规模应......
目的以泊洛沙姆188-胆固醇碳酸酯为例,探寻去除接枝胆固醇的两亲性高分子材料中4-二甲氨基吡啶(4-dimethylaminopyridine,DMAP)中......
实验进行了犬HCN呼吸道中毒及毒性测定,当中毒柜HCN浓度在2418±202.8μg/L条件下,暴露时间1.22±O.44min,观察24h,LD_(50)为850.4......
In this work,a new type of block polymers,polystyrene-b-poly[(N-isopropyl acrylamide)-co-(vinyl benzyl chloride)](PS-b-P......
Morphology and Thermoresponsive Behavior of Hybrid Micelles of Polystyrene-b-Poly((N-isopropyl acryl
The hybrid micelles of polystyrene-b-poly((N-isopropyl acrylamide)-co-(4-vinylbenzyl chloride)) block copolymer(PS-b-P(N......
以Dmap为原料,经烷基化后得到3种离子化合物,再用四氟硼酸钠通过阴离子交换法制备4-二甲基吡啶四氟硼酸3种离子化合物。其中,用[C2......
Construction of polycyclic spirooxindoles through [3+2] annulations of Morita–Baylis–Hillman carbona
A mild and efficient dearomatic [3+2] annulation reaction of 3-nitro-7-azaindoles and Morita Baylis Hillman carbonates f......
Two novel amphiphilic poly(ester amine) dendrimers were synthesized and characterized by 1H NMR, 13 C NM......
Asymmetric synthesis of irnigaine was achieved starting from an enantiopure β amino ester 5 using the condensation......
钴的光度分析法,近年来已有评述。已往常用的试剂有亚硝基R盐、PAR、亚硝基-DMAP、2,6-二氨基-3,2’-偶氮吡啶等。用这些试剂测钴......
用卟啉衍生物光度法测铜的研究已有报导[1—8]。我们对具有新型结构的α、β、γ、δ-四-(4-二甲氨基苯基)卟啉[简称T(4-DMAP)P)......
本文合成了1-硫代-1-磷杂-2,6,7-三氧杂双环[2,2,2]辛烷-4-甲撑膦酸酯新化合物11个.发现只有在三乙胺和DMAP同时存在时,1-硫代-1-......
在富勒烯化学中,对其进行化学修饰是研究富勒烯的重要手段之一。在过去的三十年里,有大量结构新颖的富勒烯衍生物被合成与报道,它......
3-甲氧基异吲哚及其衍生物是一类非常重要的含有氮原子的五元杂环化合物,广泛存在于自然界中。它不仅是许多天然产物和药物分子的......
对于急性氰化物中毒的治疗以往主要采用亚硝酸盐,硫代硫酸钠联合疗法。应用亚硝酸异戊酯,由于吸入后迅速呼出并易被肝脏灭活,不易......
本文报导对二甲氨基苯酚盐酸盐(DMAP·HCl)、对氨基苯丙酮盐酸盐(PAPP·HCl)、依地酸二钴(Co_2EDTA)、亚硝酸钠(NaNO_2)和硫代硫酸......
本实验研究了4-二甲基氨基苯酚(4-DMAP)和亚硝酸钠(NaNO_2)对急性失血复合氰化物中毒狗血流动力学的影响。血流动力学观察结果表明......
本实验以兔血红细胞为材料 ,研究缺氧对 4 -DMAP体外生成高铁血红蛋白的影响 ,为探索缺氧条件下氧化物中毒的有效救治方案提供实验......
4-二甲胺基吡啶(DMAP)作为一种新型高效酰化催化剂,广泛应用于有机合成中的醇、酚、胺的酰化及酯交换等,还可作为反相相转移催化......
本文设计了四条路线试图对O,O-二烷基[α-(4-羟基苯基)-β-硝基]乙基膦酸酯(Ⅰ)进行磷酰化得到双磷酰化产物。发现这类化合物的芳......
Howiinol A, an active antitumor constituent from the root and stem bark of Goniothamus howii Meer. (Annoaceae ) has been......
Stereoselective synthesis of sultam 8 was reported. The overall yield in a scLluence of 4steps is 27.5%....
4-二甲基氨基苯酚(4-DMAP)是第二代抗氰药,其抗氰机制是将血红蛋白氧化为高铁血红蛋白(MHb),利用高铁血红蛋白与氰离子的高亲和力,......
3-(3-hydroxypropyl)-phthalide 1. a phthalide isolated from the flowers of G. pedicellataWall. has been synthesized in hi......
In our effoft to asymmetric synthesis of R-(+)-shikonin, a novel acetyl ndgration was found, and the mechanism of the nd......
Two new polyoxygenated cyclohexenes, named uvacalolA (1),and B (2) were isolated from the rhizomes of Uvaria calamistrat......
Studies on the Total Synthesis of Pseudolaric Acid A Stereocontrolled Synthesis of the Seven-membere
The lactone 16 was obtained stereo- and regioselectively by a reaction sequence of 9 steps in 21% overall yield....
A new near-infrared fluorescent dye, 9-N-(2-hydroxyethyl)-N-methylamino-6-carbethoxy- 5 H-benzo[a] phenoxazin-5-one 1, w......
Synthesis of (2R,3aR,8aR)-6-Chloro-3a-hydroxy-1,2,3,3a,8,8a- hexahydropyrrolo[2,3-b]indole-2-carboxy
A synthesis of (2R,3aR,8aR)-6-chloro-3a-hydroxy-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indole-2-carboxylic acid methyl est......
Starting from shikimic acid, the total synthesis of zeylenone was studied. The productwas proved to be the (+)antipode ......
An efficient esterification of ferrocenecarboxylic acid with substituted phenols has been achieved using DCC / DMAP prot......
A Novel Method for the Synthesis of Bioactive Benzimidazolyl-Phenoxyacetic Acid O-Acetylglucosyl Sac
A novel method of synthesis of nitro or trifluoromethyl substituted benzimidazolyl-phenoxyacetic acid O-acetylglucosyl s......
This article presents a novel catalytic method by combining phase-transfer catalyst,benzyltriethylammonium chloride,with......
A series of retinoate and retinamide derivatives were designed,synthesized,and their anti-tumor activities were investig......
A novel series of chiral dopants synthesized from(S)-1,2-propanediol and mesogenic carboxylic acids were characterized b......
Practical and Efficient Acylation and Tosylation of Sterically Hindered Alcohols Catalyzed with 1-Me
Acylation of sterically hindered alcohols is frequently encountered in synthetic chemistry. An efficient and mild proced......
DCC/DMAP mediated esterification of hydroxy and non-hydroxy olefinic fatty acids with β-sitosterol:I
A new series of fatty alkenoates were synthesized using an appropriate synthetic route involving DCC and DMAP as catalys......
