NAPHTHOPYRAN

作品数：7被引量：1H指数：1
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相关期刊：《Science China Chemistry》《Chemical Research in Chinese Universities》《Chinese Physics Letters》《Chinese Journal of Structural Chemistry》更多>>
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Enzymatic Promiscuity： ＂Amano＂ Lipase AS-catalysed Synthesis of Naphthopyran Derivatives in Anhydrous Media被引量：1
《Chemical Research in Chinese Universities》2014年第3期396-399,共4页JIANG Ling YU Hongwei 
Supported by the Program for Zhejiang Leading Team of Science ＆ Technology Innovation, China（No.2011R50007）, the National Natural Science Foundation of China（Nos.21176215, 21176102） and the Outstanding Young Scholar Grant of Zhejiang University, China（No.R4110092）.
＂Amano＂ lipase AS（lipase from Aspergillus niger）, which naturally hydrolyzes triglycerides, was found promiscuously to catalyze multi-component reactions of aromatic aldehydes with malononitrile and β-naphthol to...
关键词：＂Amano＂ lipase AS Catalytic promiscuity Multi-component reaction Naphthopyran derivative 
New and Facile Synthesis of Substituted Pyrrole, Pyridine, Pyrazolo[4,3-b] Pyridine, Pyrano[3,2-c] Quinoline, Napthopyran, Naphthodipyran and Coumarin Derivatives
《International Journal of Organic Chemistry》2013年第1期58-70,共13页F. M. A. El-Taweel A. A. Elagamey 
Several new pyrazolo[4,3-b] pyridines 7a, b were prepared by reacting arylidenemalononitriles 1a, c or 1i, j with 4-nitrosoantipyrine 4. Reacting 1a, b, d with 4-azidomethylcarbonylantipyrine 8 give 2-aminopyrrole 14....
关键词：PYRROLE PYRIDINE Pyrazolo[4 3-b] PYRIDINE Pyrano[3 2-c] QUINOLINE NAPHTHOPYRAN Naphthodipyrans and Coumarin 
Electronic Transport Properties of a Naphthopyran-Based Optical Molecular Switch: an ab initio Study
《Chinese Physics Letters》2011年第9期104-107,共4页XIA Cai-Juan LIU De-Sheng ZHANG Ying-Tang 
by the National Natural Science Foundation of China under Grant Nos 11004156 and 11074146;the National Basic Research Program of China under Grant No 2009CB929204;the Scientific Research Program Funded by Shaanxi Provincial Education Department(Nos 09JK461 and 11JK0521).
The electronic transport properties of a naphthopyran-based molecular optical switch are investigated by using the nonequilibrium Green's function formalism combined with first-principles density functional theory.The...
关键词：THEORY PYRAN NONEQUILIBRIUM 
Ring-opened Crystal Structure and Photochromism of 2,2-Bis(4-tertiary butyl phenyl)-3H-naphtho[2,1-b]pyran
《Chinese Journal of Structural Chemistry》2009年第2期187-190,共4页谈廷风 庞美丽 吴边鹏 
supported by the National Natural Science Foundation of China (Nos. 20602020 and 20490210)
The title compound, 2,2-bis（4-tertial butyl phenyl） naphthopyran, has been prepared and characterized by means of IR, ^1H NMR and elemental analysis, and its crystal structure was determined with X-ray diffraction i...
关键词：NAPHTHOPYRAN ring-opened form crystal structure PHOTOCHROMISM 
Crystal Structure and Photochromism in Paint and Solutions of 2,2-Dithiophene-naphthopyran
《Chinese Journal of Structural Chemistry》2009年第1期41-44,共4页谈廷风 柏立岗 庞美丽 吴边鹏 
The work was supported by the National Natural Science Foundation of China (Nos 20602020 and 20490210)
The title compound 2,2-dithiophene-naphthopyran （C21H14OS2, Mr = 346.44） was synthesized and characterized by IR,^1lH NMR, elemental analysis and single-crystal X-ray diffraction. It belongs to the monoclinic system...
关键词：2 2-dithiophene-naphthopyran crystal structure PHOTOCHROMISM PAINT 
Photochromic properties and reaction mechanism of naphthopyran
《Science China Chemistry》2001年第3期276-282,共7页潘桂兰 魏景强 朱爱平 明阳福 樊美公 姚思德 
Acknowledgements This work was supported by the National Research Fund for Fundamental Key Projects of China (Grant No. G1999033005) and National Natural Science Foundation of China (Grant No. 29832030).
The photochromic properties and reaction mechanism of title compounds have been examined with steady method on compounds 3-phenyl-3-[3-methylbenzothiophene-2-yl]-3H-naphtho[2,1-b]pyran (1) and 3-phenyl-3-[benzofuran-2...
关键词：NAPHTHOPYRAN TIME-RESOLVED absorption SPECTRA PHOTOCHROMISM DECAY kinetics. 
A Simple Approach to the Synthesis of 2H-1-Benzopyrans and 3H-Naphtho[2,1-b] pyran Via Intramolecular Wittig Reactiont
《Advances in Manufacturing》1997年第1期83-86,共4页曹卫国 张平生 陈米 沈嵘 丁维钰 
In the presence of K2CO3, 2-hydroxyethyltripheny phosphonium bromide (1) reacts with substituted salicylaldehyde (2) and 2-hydroxy-1 naphthaldehyde (4) at 110 ℃ in a sealed tube. The title compounds were prepared in ...
关键词：PHOSPHORANE aldehyde bezopyran NAPHTHOPYRAN intramolecular Wittig reaction 
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