Practical iron-catalyzed atom/group transfer and insertion reactions
نویسندگان
چکیده
منابع مشابه
Iron-catalyzed asymmetric haloamination reactions.
The first iron(III)/N,N'-dioxide-catalyzed asymmetric haloamination of 3-alkylidene- and 3-arylidene-indolin-2-ones was developed, affording the corresponding chiral oxindole derivatives bearing vicinal haloamine substituents with excellent results (up to 99% yield, 99% ee, >19 : 1 dr). This iron catalyst also exhibits perfect enantioselectivity for chalcone derivatives. The cooperative activat...
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Simple iron salts such as FeCl(n), Fe(acac)(n) (n = 2,3) or the salen complex 4 turned out to be highly efficient, cheap, toxicologically benign, and environmentally friendly precatalysts for a host of cross-coupling reactions of alkyl or aryl Grignard reagents, zincates, or organomanganese species with aryl and heteroaryl chlorides, triflates, and even tosylates. An "inorganic Grignard reagent...
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متن کاملPractical iron-catalyzed dehalogenation of aryl halides.
An operationally simple iron-catalyzed hydrodehalogenation of aryl halides has been developed with 1 mol% Fe(acac)(3) and commercial t-BuMgCl as reductant. The mild reaction conditions (THF, 0 degrees C, 1.5 h) effect rapid chemoselective dehalogenation of (hetero)aryl halides (I, Br, Cl) and tolerate F, Cl, OR, SR, CN, CO(2)R, and vinyl groups.
متن کاملNitrene transfer reactions catalyzed by gold complexes.
We report here the first gold-catalyzed nitrene transfer reaction. A gold(I) compound, supported by 4,4',4' '-tri-tert-butyl-2,2':6',2' '-terpyridine (tBu3tpy) as the ligand, efficiently catalyzes olefin aziridination with the use of the commercially available oxidant PhI(OAc)2 and sulfonamides. This system also mediates carbene insertion into benzene.
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ژورنال
عنوان ژورنال: Pure and Applied Chemistry
سال: 2012
ISSN: 1365-3075,0033-4545
DOI: 10.1351/pac-con-11-11-08