pyridine ring 美 英 un.氮苯环 网络吡啶环 英汉 网络释义 un. 1. 氮苯环 例句
Synth crownophane w 3 pyridine ringInokuma, SYatsuzuka, TOhtsuki, SHino, SNishimura, J
Chemical StructurePyridine is a basic heterocyclic organic compound with the chemical formula C5H5N. It is structurally related to benzene, with one methine group (=CH ) replaced by a nitrogen atom. The pyridine ring occurs in many important compounds, including azines and the vitamins niacin and...
triphosphopyridine- a pyridine ring with three phosphorus groups Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. Want to thank TFD for its existence?Tell a friend about us, add a link to this page, or visitthe webmaster's page for free fun...
The copper(i) iodide-promoted ring closure of the pyridyl bromophenyl ketone 106 leads to the formation of 2-(3′-bromophenyl)furo[2,3-c]pyridine as shown in Equation (46) <2005JOC6964>. (46) 2-Chloro-3-hydroxypyridine is a readily available starting point for the synthesis of furo[2...
Expansion of the pyrrole ring to the pyridine ringdoi:US3149118 APhillip S LandisUS
Organic Sensitizers with Pyridine Ring Anchoring Group for p-Type Dye-Sensitized Solar Cells 来自 ACS 喜欢 0 阅读量: 46 作者:Jin,Cui,Jianfeng,Lu,Xiaobao,Xu,Kun,Cao,Zhong,Wang,Getachew,Alemu,Huailiang,Yuang,Yan,Shen,Jie,Xu,Yibing,Cheng,Mingkui,Wang ...
Efficient and convenient pyridine ring-E formation of the cytotoxic marine alkaloid ascididemin and related analogues 来自 Taylor & Francis 喜欢 0 阅读量: 43 作者:BS Lindsay,AN Pearce,BR Copp 摘要: Conversion of tetracyclic quinone 1 to the cytotoxic pentacyclic alkaloid ascididemin (2) in 80%...
DescriptionPyridine-3-carbaldehyde, also known as nicotinaldehyde or 3-Pyridinecarboxaldehyde, belongs to the class of organic compounds known as pyridine carboxaldehydes. These are aromatic compounds containing a pyridine ring which bears a carboxaldehyde group. 3-pyridinecarboxaldehyde is not a naturally...
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% 英文别名 N-Isopentyl-2-(p-methylanilino)nicotinamide ...