Practical synthesis of phosphonium salts with orthoformates and their application as flame retardants in polycarbonate
Sign Up to like & getrecommendations! Published in 2020 at "Tetrahedron"
DOI: 10.1016/j.tet.2020.131107
Abstract: Abstract An efficient and practical approach to phosphonium salts has been developed. By the reaction of phosphines and different acid sources with orthoformates in one-step operation, the process allowed rapid access to phosphonium salts with… read more here.
Keywords: salts orthoformates; flame; phosphonium; practical synthesis ... See more keywords
Direct Use of Phosphonium Salts for Alkylation of p-Quinols: Formal α-Arylation of Carbonyls via a 5-Membered Betaine-Type Intermediate.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c02638
Abstract: Unlike phosphonium ylides used extensively for C═C bond formation, herein we disclose the direct use of phosphonium salts for site-selective alkylation to p-quinols via a 5-membered betaine-type intermediate. This strategy provides a novel and general… read more here.
Keywords: phosphonium salts; phosphonium; alkylation quinols; use phosphonium ... See more keywords
Cobalt-Catalyzed Alkylation of Drug-Like Molecules and Pharmaceuticals Using Heterocyclic Phosphonium Salts.
Sign Up to like & getrecommendations! Published in 2019 at "ACS catalysis"
DOI: 10.1021/acscatal.9b00851
Abstract: Alkylated pyridines are common in pharmaceuticals, and metal catalysis is frequently used to prepare this motif via Csp2-Csp3 coupling processes. We present a cobalt-catalyzed coupling reaction between pyridine phosphonium salts and alkylzinc reagents that can… read more here.
Keywords: cobalt catalyzed; catalyzed alkylation; phosphonium salts; drug like ... See more keywords
Synthesis, structural and toxicological investigations of quarternary phosphonium salts containing the P-bonded bioisosteric CH2F moiety
Sign Up to like & getrecommendations! Published in 2020 at "New Journal of Chemistry"
DOI: 10.1039/d0nj02310h
Abstract: Tertiary alkyl, aryl or amino phosphines PR3 (R = Me, nBu, C2H4CN, NEt2) and the bis[(2-diphenylphosphino)phenyl]ether (POP) were allowed to react with fluoroiodomethane to produce fluoromethyl phosphonium salts in yields between 60–99%. The compounds were… read more here.
Keywords: phosphonium; synthesis structural; structural toxicological; phosphonium salts ... See more keywords
Some Features of Reaction of 2-Methyl-1,4-naphthoquinone with H-Phosphonium Salts Based on Diphenylphosphine
Sign Up to like & getrecommendations! Published in 2019 at "Russian Journal of General Chemistry"
DOI: 10.1134/s1070363219110094
Abstract: It was shown that the direction of the reaction of 2-methyl-1,4-naphthoquinone with H-phosphonium salts obtained from diphenylphosphine and trifluoromethanesulfonic or trifluoroacetic acids depends on the nature of the anion. Structure of the obtained mono- and… read more here.
Keywords: phosphonium; methyl naphthoquinone; reaction methyl; naphthoquinone phosphonium ... See more keywords
Ferrocene-Containing Sterically Hindered Phosphonium Salts
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DOI: 10.3390/molecules23112773
Abstract: The synthesis and physical properties of the series of the ferrocenyl-containing sterically hindered phosphonium salts based on di(tert-butyl)ferrocenylphosphine is reported. Analysis of voltamogramms of the obtained compounds revealed some correlations between their structures and electrochemical… read more here.
Keywords: containing sterically; sterically hindered; hindered phosphonium; ferrocene containing ... See more keywords
Symmetry between Structure-Antibacterial Effect of Polymers Functionalized with Phosphonium Salts
Sign Up to like & getrecommendations! Published in 2022 at "Symmetry"
DOI: 10.3390/sym14030572
Abstract: In actual context, when the terms of biomass and bioenergy are extensively used, it becomes clear that the comparative study of some biopolymers, such as cellulose and chitosan, can offer a large usage range, based… read more here.
Keywords: phosphonium salts; effect; antibacterial effect; phosphonium ... See more keywords