A compound is identified as aromatic if it has the following properties: Contains (4n+2) number of pi electrons, where n = 0, 1, 2, 3... Contains a... See full answer below.Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a questio...
aaliphatic, aromatic or alcoholic liquids. Where the treating compound is, for example, trimethylborate, a hydro carbon solvent such as n-octane may be employed. 正在翻译,请等待...[translate]
diazocompoundylidefluorineaziridinecatalyzeTriphenylarsine catalyzes the formation of aziridines from tosyl imines and aromatic diazo compounds in a one-pot reaction. It is the first example of catalytic aziridination mediated by arsonium ylides. It gave aziridines in excellent diastereoselectivity with ...
1,4-Addition of a Terminal Phosphinidene Complex to [5]Metacyclophane (p1547-1550) to an unsaturated system, the first addition of a phosphinidene complex to a benzene ring, and the first [4+1] cycloaddition to an aromatic compound... MV Eis,C Komen,FD Kanter,... - 《Angewandte...
Occurrence of the Cannizzaro-type hydride transfer was thus, confirmed and an interesting switch of chemo- selectivity is thus, observed between elimination product 2 and the 1,3-dicarbonyl compound 7 depending upon the reaction conditions. An aromatic compound carrying hydroxyl and acyl substituents ...
To detect the aromatic compounds from fresh juice and fermented wine made of Litchi(cv. 用GC-MS分析黑叶荔枝鲜果汁及其制成的发酵果酒的香气成分,结果表明,构成荔枝鲜果汁清新头香的主要成分是烯类组分,但在发酵酒液中烯类组分几乎消失,造成了荔枝发酵酒液特色天然香气的丧失以及酒香不和谐。5...
The cup aromatic hydrocarbon is the big cycle compound which becomes by the phenol unit and the formaldehyde condensation, has the cavity to be possible to adjust, the conformation transmutability, the structure easy to decorate and the synthesis is convenient and so on the merits, after was con...
A nucleoside analogue compound is provided which has a six-membered aromatic ring system, the aromatic ring system being substituted in the para position with an unbranched unsubstituted alkyl or alkoxy moiety, wherein the alkyl or alkoxy moiety, in total, has from 3 to 8 carbon atoms. This...
Compound Index Cited By View Full Article (HTML) Enhanced Article (HTML) Get PDF (227K) Abstract The three-component condensation of 3-amino-5-alkylthio-1,2,4-triazoles with aromatic aldehydes and β-ketoester was studied to develop a regioselective Biginelli-like reaction. The results indicate...
In spite of some progress in the field of fluorinated phenanthrolines, there are no efficient and general methods for their synthesis. It is important to note that to date there are no examples of 1,10-phenanthroline-2,9-dicarboxylic acid diamides containing fluorine atoms in the aromatic ...