Kdp是什么意思

用法例句

Synthesis, Relaxivity of Gd(Ⅲ), Fe(Ⅲ) and Mn(Ⅱ) Complexes with Dihydropyridine Derivatives of Diethylenetriaminepentaacetic Acid;

二乙三胺五乙酸二氢吡啶衍生物的合成及Gd(Ⅲ),Fe(Ⅲ),Mn(Ⅱ)配合物的弛豫性能研究

Efficient Synthesis of Alkylenedioxy-Bridged Bisdihydropyridines;

烷氧基桥联双二氢吡啶的简洁合成

The microwave-assisted synthesis provides an efficient way to access 1,4-dihydropyridine-3,5-dicarboxylate(3).

研究了微波作用下1,4-二氢吡啶-3,5-二甲酸乙酯(3)的合成,结果表明,在微波的作用下,用简单易得的原料如(HCHO)n,HCHO/H2O,(CH2)6N4,NH4OAc,NH3/H2O,NH4HCO3,(NH4)2CO3等就可以得到3,收率在50%左右。

In the presence of (K_2CO_3,) acetylmethyltriphenylarsonium bormide (1) reacted in (CH_2Cl_2) solution with (3-arylidene-2,4-pentadione) (2) and led to the products (2,4-diacetyl-3-aryl-5-methyl-trans-2,3-)dihydrofuran (4) and 2-(Z-4-oxo-2-penten-2-yl)-aryl-4-acetyl-5-methyl-trans-2,3-dihydrofuran (5).

在碳酸钾存在下,将溴化乙酰基甲基三苯基(1)的溶液滴加到3-芳甲叉基-2,4-戊二酮(2)的二氯甲烷溶液中,反应主要生成2,4-二乙酰基-3-芳基-5-甲基-反-2,3-二氢呋喃(4),同时生成2-(4-氧代-2-戊烯基)-3-芳基-4-乙酰基-5-甲基-反-2,3-二氢呋喃(5)。

A new flavanone from Dryopteris sublaeta;

浅裂鳞毛蕨中的一个新二氢黄酮(英文)

Isolation and Structure Identification of a New Flavanone from Dryopteris sublaeta;

浅裂鳞毛蕨中一个新二氢黄酮的分离和结构鉴定(英文)

RESULTS Five compounds are isolated from the ether fraction of 70% acetone-extracts,and their structures were identified as(2S)5,7-dihydroxy-6,8-dimethyl flavanone(desmethoxymatt.

结果浅裂鳞毛蕨地上部分用体积分数为70%丙酮提取液乙醚萃取部位分离得到了5个化合物,分别鉴定为:(2S)5,7-二羟基-6,8-二甲基二氢黄酮(去甲氧基荚果蕨素)(Ⅰ),(2S)5,7-二羟基-6,8-二甲基-4′-甲氧基二氢黄酮(荚果蕨素)(Ⅱ),(2S)5,7,2′-三羟基-6,8-二甲基-二氢黄酮(Ⅲ),(2S)5,7,4′-三羟基-3′-甲氧基-6,8-二甲基二氢黄酮(Ⅳ),(2S)5-羟基-4′-甲氧基-6,8-二甲基二氢黄酮-7-O--βD-葡萄糖苷(Ⅴ)。

In this paper the various methods of forming pyrrole, dihydropyrrole and pyrrolidine compounds were reviewed.

根据母环氧化状态的不同,吡咯衍生物单体可分为吡咯、二氢吡咯以及四氢吡咯等三类化合物。