1) P-chiral center
手征性磷
1.
We obtained novel chiral N-propargylphosphonamidate monomers with P-chiral center by condensation twice (HC≡CCH_2NH(P=O)R_1R_2.
通过UV-vis以及CD光谱研究表明：手征性磷原子基团的存在对丙炔胺衍生物类聚合物形成螺旋构象具有决定性的作用。
2) N-propargylphosphonamidate
非手征性磷
3) chiral phosphoric acid
手性磷酸
1.
The presence of the Lewis basic phosphoryl moiety in prox- imity to the Br(?)nsted acidic proton in chiral phosphoric acids potentially allows for bifunctional cataly.
手性磷酸是近年来发展起来的一类新型高效、高对映选择性的Br(?)nsted酸类有机催化剂,已成功应用于催化不对称Mannich反应、还原胺化反应、Pictet-Spengler反应、aza-Diels-Alder反应和aza-Ene反应等许多重要的有机合成反应。
2.
The chiral phosphoric acid is a fairly strong Brnsted acid with novel structure which was first reported in 2004.
手性磷酸是2004年报道的一类具有新型结构的强酸性Brφnsted酸催化剂,近几年来的研究取得了很大的进展,已经成为有机小分子催化剂的一个重要分支。
3.
This paper reviews the recent research progress(37 references) in the asymmetric reactions catalyzed by chiral phosphoric acids(derived from BINOL as a class of strongly acidic Brnsted acid catalyst).
综述了近年来BINOL衍生的手性磷酸作为一类强酸性Brφnsted酸催化剂,在不对称氢转移反应、Friedel-Crafts,Mannich,Aza Diels-Alder,Aza-ene-type,Pictet-Spengler等反应中的研究进展。
4) chirality
['tʃirəliti]
手征性
1.
Chirality is solely a concept with respect to geometry,it is a pseudo-scalar without any connection to the physical world.
手征性只是一个与几何特征有关的概念,是一种赝标量。
2.
In this paper,the anti-duality of octonions physical equations was studied,and by using the anti-duality the chirality problems of the nature was explained.
研究了八元数物理方程的反对耦性质 ,并利用这一性质对自然界的手征性问题进行了解
3.
The structures and chirality of the samples are characterized by means of Fourier transform infrared(FT-IR)spectra,X-ray diffraction(XRD),circular dichroism spectroscopy(CD),ultraviolet visible spectrophotometer(UV-vis).
结果表明,通过过硫酸铵作引发剂、盐酸掺杂获得了导电的盐酸掺杂态聚苯胺(PANI-HCl);通过氨水脱掺杂后得到本征态聚苯胺(EB),EB通过手性樟脑磺酸(CSA)诱导,形成了手征性螺旋构型聚苯胺。
5) chiral fields
手征性场
6) Chirity
手性征
补充资料：先天性囊性纤维性骨炎综合征及棕色素斑综合征
先天性囊性纤维性骨炎综合征及棕色素斑综合征
病名。即多发性骨纤维结构不良综合征。详见该条。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条