Zobrazeno 1 - 10
of 100
pro vyhledávání: '"Goverdhan L. Kad"'
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 302:11-14
Bronsted acidic ionic liquid 1-butyl-3-methylimidazolium hydrogen sulphate [bmim]HSO 4 has been demonstrated as an efficient reusable catalyst and solvent, for halogenation of aromatic and aliphatic alcohols in conjunction with microwave and thermal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11ebb50d40cb049b53ffc29fab0cd390
https://doi.org/10.1016/j.molcata.2008.11.040
https://doi.org/10.1016/j.molcata.2008.11.040
Publikováno v:
Synthetic Communications. 37:3421-3428
Bromination of different aromatic substrates have been described using 2,4,4,6‐tetrabromo‐2,5‐cyclohexadienone in conjunction with microwave and ultraviolet radiations. Important features of the work include high regioselectivity obtained in ve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::733f37c7b2033bea567400c6e25840fc
https://doi.org/10.1080/00397910701519119
https://doi.org/10.1080/00397910701519119
Publikováno v:
Catalysis Communications. 8:1323-1328
Acetalization/thioacetalization of carbonyl compounds, under solvent free conditions, has been described using acidic ionic liquid 1-Butyl-3-methylimidazolium hydrogen sulfate ([bmim]HSO 4 ) at room temperature, in conjunction with microwave energy a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ca46861064f76e07e2eafa7191a1c4f
https://doi.org/10.1016/j.catcom.2006.11.030
https://doi.org/10.1016/j.catcom.2006.11.030
Publikováno v:
Synthetic Communications. 36:2893-2900
A simple procedure for the monotetrahydropyranylation of diols and alcohols, in excellent to moderate yields, has been reported using a catalytic amount of the acidic ionic liquid, 1‐butyl‐3‐methylimidazolium hydrogensulphate (bmim)HSO4 under m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a6513244af1ed91b0c023382974d144
https://doi.org/10.1080/00397910600770839
https://doi.org/10.1080/00397910600770839
Publikováno v:
Catalysis Communications. 6:57-60
A efficient and easy method for preparation of (1-butyl-3-methyl-imidazolium hydrogen sulphate) ionic liquid using sodium bisulphate in place of concentrated sulphuric acid by microwave irradiation had been developed by us with manifold reduction in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0476b89b6d898e66da5ae2034ba6d04
https://doi.org/10.1016/j.catcom.2004.10.011
https://doi.org/10.1016/j.catcom.2004.10.011
Publikováno v:
Catalysis Communications. 5:463-468
ZrO2-pillared clay (Zr-PILC) a mild recyclable solid Lewis acid catalyst prepared by a short and simple novel method by us, has been used for the selective, monotetrahydropyranylation under solvent-free condition both by heating and microwave irradia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfd6c36b79accedb3097f135dd1cca42
https://doi.org/10.1016/j.catcom.2004.05.013
https://doi.org/10.1016/j.catcom.2004.05.013
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 210:119-124
We herein report for the first time, a new and efficient method using ultrasonic activation for intercalation by ion exchange and microwave heating for formation of zirconium polyoxycationic species in the preparation of ZrO2-pillared clay composite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35fe19a3f1aa30e8418fcc5241991062
https://doi.org/10.1016/j.molcata.2003.09.006
https://doi.org/10.1016/j.molcata.2003.09.006
Publikováno v:
Synthetic Communications. 33:191-197
Synthesis of allylic alcohols from α,β-unsaturated aldehydes/ketones has been achieved in excellent yields utilizing NaBH4 and iodine. This reducing agent is mild and tolerant to a number of functional groups.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6c3f2e66a214e92597304fc846c8485
https://doi.org/10.1081/scc-120015699
https://doi.org/10.1081/scc-120015699
The first total and efficient synthesis of a naturally occurring acetylenic alcohol 15-methyltricosa-2,4-diyne-1,6-diol (strongylodiol-G) derived from marine sponge involving nine steps has been described. 1-Bromo-9-methyloctadecane (5) and hex-6-tet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f7019402c0fb0e167e9797bb5fcd6801
Autor:
Goverdhan L. Kad, Sangeeta Chaudhary, Monica Bhandari, Jasvinder A. Singh, Vasundhara Singh, Sushma Setia
Publikováno v:
Ultrasonics Sonochemistry. 8:123-126
A simple and convergent synthesis of the title compounds has been achieved involving Zn–Cu couple catalysed conjugate addition of allylic halides to α,β-unsaturated carbonyl compounds promoted by ultrasonic waves in aqueous medium as a key step i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1307d311127c3d531d952fb8de7856bf
https://doi.org/10.1016/s1350-4177(00)00063-8
https://doi.org/10.1016/s1350-4177(00)00063-8