微波催化 Friedel-Craft acylation本論文主要分為個部分,第一部分介紹屬於一鍋化而簡的合 成方式合成thiochroman-4-one 衍生物,起始步驟為使用芳香酚進麥可加成至丙烯酸上形成β-arylthiopropanoic acids,接著加入士酸以催化分子內Friedel-Crafts 醯基化反應,此反應可以得到相當高產的化合物thiochroman-4-one,應用...
Synthesis of (2-Chlo- rophenyl)(Phenyl)Methanones and 2-(2-Chlorophenyl)- 1-Phe- nylethanones by Friedel-Crafts Acylation of 2-Chlorobenzoic Acids and 2-(2-Chlorophenyl)Acetic Acids Using Microwave Heating[J]. TetrahedronLett, 2011, 52(20): 2594-2596....
Ethyl 4-(4-ethoxy-4-oxobutyl)benzoate (5) was prepared via Friedel-Crafts acylation and Huang reduction in 36. 通过Friedel-Crafts反应、黄鸣龙反应制备了4-(4-乙氧基-4-氧正丁基)苯甲酸乙酯(5),收率为36。 更多例句>> 4) Friedel Crafts reaction Friedel-Crafts反应 1. The superacid\|catalyzed...
Friedel-craftN-alkylation andN-acylation of acrylamide: A novel approach for synthesis of alkylacrylamides N-Alkylacrylamides and N-acylacrylamides were synthesized by a novel synthetic approach, namely, the Friedel–Craft reaction of acrylamide with alkyl chlor... Lele,B.,S.,... - 《Journal...
(57)< Abstract > This invention regards the Friedel - Craft acylation method of the organic compound. This method a) manufactures the acylation medicine and the solution which contains strong acid, b) this solution, liquid form or the organic compound in the solution, desirably aromatic or the...
Lele B S,Gore M A,Kulk Arni M G.Friedel -Craft N -alkylation and N -acylation of acrylamide: A novel approach for synthesis of alkyacrylamides. Journal of Applied Polymer Science . 1999Lele B S , Gore M A , Kulkarni M G. Friedel2Craft s N2alky2 lation and N2acylation o...
Friedel-Crafts acylation reactions are of great importance in both laboratory work and industry processes to synthesize aromatic ketones. AlCl3, H2SO4, HF or other Lewis acid can be used as catalyst in Friedel-Crafts reactions. However, these catalysts can cause a serious environmental problem ...
(57)< Abstract > Friedel - the Craft acylation reaction is done under existing of ion liquid system as a catalytic converter. As for ion liquid system, desirably functioning it does as a reaction solvent.ディビィ,ポールニコラスニューマン,クリストファーポールセドン,ケネスリチャード...
Friedel-Craft acylation1,2-Oxazines have been gained increasing interest in organic synthesis as useful intermediates,and key building blocks in the synthesis of natural products,and unnatural cyclic amino acids:1,2-Oxazines also play an important role as pharmacological entities exhibiting a broad ...
ChemInform Abstract: Acetamide/SO2Cl2 as an Efficient Reagent for Friedel—Craft′s Acylation of Aromatic Compounds under Ultrasonic and Microwave Conditions.ketones (benzene compounds)C〤 bond formationmicrowave chemistry, sonochemistry, mechanochemistry...