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Silica gelHeterogeneous catalysisRecyclabilityAn efficient and expedient approach for the synthesis of unsymmetrical bis(3-indolyl)methanes by employing a silica gel mediated FriedelCrafts alkylation of 3-indolylmethanols with various indoles is described. The synthetic utility of this transformation was ...
Silica Gel Desiccant MF SiO2 EINECS No. 231-545-4 Brand Name MINGHUI Model Number food grade desiccant Product Name food grade desiccant Appearance Transparent Particles Shape Spherical or OEM Available Packing Customized according to your requirements. Certificate ISO9001,RoHS,REACH Usage Moisture Proof...
Aromatic compounds react smoothly with carboxylic acids in the presence of silica gel supported aluminium trichloride to afford the corresponding ketones with high regioselectivity in high to excellent yields. The catalyst is stable (as a bench top catalyst) and can be easily recovered and reused wit...
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SN1An environmentally friendly Friedel-Crafts reaction was demonstrated between indoles and functionalized nitroallylic acetates in the presence of silica gel, providing the corresponding C-3-selective regioisomers in good to high overall chemical yields (70-93%).doi:10.1002/jccs.201100643...
gelAn efficient and expedient approach for the synthesis of unsymmetrical bis(3‐indolyl)methanes by employing a silica gel mediated Friedel–Crafts alkylation of 3‐indolylmethanols with various indoles is described. The synthetic utility of this transformation was demonstratedby reusing the silica gel...
The catalyst can be reused up to five times after simple washing with ether and is stable (as a bench top catalyst).doi:10.1016/j.cclet.2010.07.024Kaveh Parvanak Boroujeni中国化学快报(英文版)Kaveh Parvanak Boroujeni.Silica gel supported AlCl 3 catalyzed Friedel-Crafts acylation of aromatic ...
Silica gel supported AlCl3 catalyzed Friedel-Crafts acylation of aromatic compoundsSilica gel supported aluminium trichloride(SiO_2-AlCl_3) has been shown to be a mild,efficient,and chemoseiective heterogeneous Lewis acid catalyst for the acylation of aromatic compounds with acid chlorides.The ...