1) Friedel-Crafts alkylation
Friedel-Crafts烷基化
1.
In this paper Bisphenol AF was prepared in a new route which from HFA·3H_2O and aniline in 4 steps:alkylation、diazotization、hydrolysis、Friedel-Crafts alkylation,t he total yield was 67.
本文设计了一条合成双酚AF的新路线,以HFA·3H_2O和苯胺为原料,经烷基化、重氮化水解和Friedel-Crafts烷基化合成了双酚AF,收率可达67。
2.
Bisphenol AF was prepared from HFA·3H2O and aniline under atmospheric pressure in 4 steps:condensation,diazotization,hydrolysis and Friedel-Crafts alkylation.
由六氟丙酮三水合物和苯胺,经缩合、重氮化、水解、Friedel-Crafts烷基化4步反应常压下合成了双酚AF。
3.
Then,methyl 12-benzyldehydroabietate(MBD) was synthesized by the Friedel-Crafts alkylation reaction of methyl dehydroabietate with benzyl chloride in acidic ionic liquid(Br/AlCl3).
将去氢枞酸酰氯化、甲醇解制得去氢枞酸甲酯,再以酸性离子液体[bmim]Br/AlCl3为溶剂和催化剂,通过去氢枞酸甲酯与氯化苄的Friedel-Crafts烷基化反应,得到目标产物12-苄基去氢枞酸甲酯(MBD)。
2) Friedel-Crafts Alkylation Reaction
Friedel-Crafts烷基化反应
1.
LDPE/PS melting blends was in-situ compatibilized by Friedel-crafts alkylation reaction.
在熔融状态下,利用Friedel-crafts烷基化反应就地增容低密度聚乙烯(LDPE)/聚苯乙烯(PS)合金,考察了催化剂品种及其用量、温度、时间等对接枝反应及合金性能的影响。
2.
In situ compatibilization by Friedel-Crafts alkylation reaction has an important advantage that the materials used as the catalyst are common and inexpensive, so that it has the commercial potential in the recycling of mixed post-consumer polymers containing polystyrene (PS) and polyolefin.
强Lewis酸催化剂引发的Friedel-Crafts烷基化反应，为包含聚苯乙烯的聚合物共混物的原位增容改性提供了一种更为价廉，更为环保，且更为简便的实施手段。
3.
The Friedel-Crafts alkylation reaction is common in organic synthesis.
结合Friedel-Crafts烷基化反应的特点细化反应过程,发现PS/POE共混物在AlCl3作用下发生接枝反应时,有大量碳正离子出现,而碳正离子周围的电子重排会导致分子链断裂,从而引起共混组分出现大幅度降解。
3) friedel-Crafts alkylation
Friedel-Crafts烷基化反应
1.
A polystyrene(PS)/EPDM blend formed in situ by Friedel-Crafts alkylation in melt state was developed.
在熔融状态下,利用Friedel-Crafts烷基化反应原位生成聚苯乙烯(PS)/EPDM共混物,考察路易斯酸品种、用量、混炼温度和混炼时间等对共混物性能的影响。
2.
Phenol-aralkyl resin was prepared by Friedel-Crafts alkylation of phenol and terephthalyl alcohol as monomers with hydrochloric acid as catalyst.
以苯酚和对苯二甲醇为单体、浓盐酸为催化剂,经Friedel-Crafts烷基化反应合成了苯酚-芳烷基型树脂。
3.
The new catalysts were further employed in enantioselective Friedel-Crafts alkylation of methoxyfuran with nitroalkenes with production up to 68% yield and 33% ee.
以光学纯的联二萘酚为原料合成了一类手性磷酸催化剂,并用于催化2-甲氧基呋喃与硝基苯乙烯的不对称Friedel-Crafts烷基化反应中,最高得到了83%的产率和33%的对映体过量值。
4) Friedel-Crafts acylation
Friedel-Crafts酰基化
1.
In the presence of the ionic liquid Br/AlCl_3 as green reaction medium and catalyst,methyl 12-benzoyldehydroabietate was synthesized by the Friedel-Crafts acylation reaction on the aromatic ring of methyl dehydroabietate.
以离子液体[bmim]Br/AlCl3作为绿色反应介质,通过脱氢松香酸甲酯芳环上的Friedel-Crafts酰基化反应,合成了12-苯甲酰基脱氢松香酸甲酯,最佳合成条件为:脱氢松香酸甲酯、[bmim]Br、AlCl3、苯甲酰氯的摩尔比1∶4∶8∶8,反应温度40℃,反应时间2h。
2.
The progress of alumninate ionic liquids catalyzed Friedel-Crafts acylation of benzoid aromatics and aromatic polymers and Polymer-supported AlCl_3 Friedel-Crafts acylation of benzoid aromatics were discussed.
介绍了AlCl3催化多种化合物的Friedel-Crafts酰基化的研究进展。
3.
Friedel-Crafts acylation of salicylaldehyde with bromoacetyl chloride in the presence of aluminum chloride affords 5- (bromoacetyl)-2-hydroxybenzaldehyde (2) together with the corresponding 5-(chloroacetyl) -2-hydroxybenzaldehyde(3).
以水杨醛和酰氯为原料经Friedel-Crafts酰基化得到4-溴乙酰基水杨醛(2),以及4-氯乙酰基水杨醛(3),经缩合、水解、成盐同浴反应转化成5-11-二甲基乙基)胺基]乙酰基-2-羟基苯甲醛盐酸盐(4),再经硼氢化钾-氯化锌在常温条件下协同还原,与硫酸成盐制得硫酸沙丁胺醇(1),总收率在50%左右,降低了成本,提高了产率。
5) Friedel-Crafts acetylation reaction
Friedel-Crafts酰基化反应
1.
A kind of aliphatic weak acid cation exchange resin with double bonds was prepared with crosslinked polystyrene and cis-butenedioic anhydride by Friedel-Crafts acetylation reaction.
在交联的聚苯乙烯微球上,以顺丁烯二酸酐作为酰基化试剂,通过Friedel-Crafts酰基化反应,得到一种含有双键的脂肪族弱酸性阳离子交换树脂。
2.
A kind of aliphatic carboxyl weak acid cation exchange resin was prepared with crosslinked polystyrene and succinic anhydride by Friedel-Crafts acetylation reaction.
在交联的聚苯乙烯微球上,以丁二酸酐为酰基化试剂,通过Friedel-Crafts酰基化反应,制得脂肪族羧基弱酸型阳离子交换树脂。
6) Friedel-Crafts acylation reaction
Friedel-Crafts酰基化取代
补充资料：Friedel-Crafts catalysts
分子式：
分子量：
CAS号：
性质：用于弗里德-克拉夫茨反应（烷基化反应、酰基化反应等）的路易斯酸型催化剂，常用的有三氯化铝、三溴化铝等。
分子量：
CAS号：
性质：用于弗里德-克拉夫茨反应（烷基化反应、酰基化反应等）的路易斯酸型催化剂，常用的有三氯化铝、三溴化铝等。
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