Lithium‐Aluminate‐Catalyzed Hydrophosphination Applications
نویسندگان
چکیده
منابع مشابه
Organocatalytic asymmetric hydrophosphination of nitroalkenes.
The use of a bifunctional Cinchona alkaloid catalyst has provided a new organocatalytic strategy for the enantioselective addition of diphenylphosphine to a range of nitroalkenes, affording optically active beta-nitrophosphines (up to 99% ee after crystallization); this organocatalytic approach, providing a direct route to a new class of potentially useful enantiopure P,N-ligands, constitutes a...
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The group 6 metal mono-, bis- and tris-ferrocenylphosphine complexes [M(CO)5(PH2Fc)] (1a, M = Cr; 1b, M = Mo; 1c, M = W), cis-[M(CO)4(PH2Fc)2] (2a, M = Cr; 2b, M = Mo; 2c, M = W) and fac-[M(CO)3(PH2Fc)3] (3a, M = Cr; 3b, M = Mo; 3c, M = W) [Fc = Fe(η(5)-C5H4)(η(5)-C5H5)] were prepared and fully characterised. IR and NMR spectroscopy and single-crystal X-ray diffraction analysis indicate that Fc...
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A bulky secondary phosphine with an alkynyl substituent was prepared and shown to undergo catalytic hydrophosphination to give cyclic oligomers.
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Phosphines are fundamentally important to the fine chemicals, pharmaceutical and agrochemical industries. Reported is the first example of alkene hydrophosphination using a designed iron pre-catalyst which yields the anti-Markovnikov products in high yield at room temperature. The phosphine products are excellent pro-ligands for Fe-catalyzed Negishi cross-coupling.
متن کاملPalladium(II)-catalyzed asymmetric hydrophosphination of enones: efficient access to chiral tertiary phosphines.
Chiral tertiary phosphines were synthesized by asymmetric hydrophosphination of aromatic enones catalyzed by an organopalladium complex with high yields and stereoselectivity. The procedure offers practical access to chiral tertiary phosphines.
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ژورنال
عنوان ژورنال: Angewandte Chemie
سال: 2019
ISSN: 0044-8249,1521-3757
DOI: 10.1002/ange.201906807