A novel approach to phosphonic acids from hypophosphorous acid

K Bravo-Altamirano, JL Montchamp - Tetrahedron letters, 2007 - Elsevier
A novel access to phosphonic acids via Pd-catalyzed tandem carbon–phosphorus bond
formation–oxidation processes was developed. The procedures involve atom-economical …

New access to H-phosphonates via metal-catalyzed phosphorus–oxygen bond formation

L Coudray, I Abrunhosa-Thomas, JL Montchamp - Tetrahedron letters, 2007 - Elsevier
A novel approach to H-phosphonates from hypophosphorous acid using a transfer
hydrogenation process was developed. This method is atom-economical, environmentally …

Selective hydrolysis of phosphorus (V) compounds to form organophosphorus monoacids

J Ash, H Huang, P Cordero, JY Kang - Organic & Biomolecular …, 2021 - pubs.rsc.org
An azide and transition metal-free method for the synthesis of elusive phosphonic,
phosphinic, and phosphoric monoacids has been developed. Inert pentavalent P (V) …

Organophosphorus Chemistry without PCl3: A Bridge from Hypophosphorous Acid to H‐Phosphonate Diesters

HC Fisher, L Prost… - European Journal of …, 2013 - Wiley Online Library
A process for the conversion of hypophosphorous acid (H3PO2, HPA) and alcohols into
various H‐phosphonate diesters [(RO) 2P (O) H] is described. The new reaction provides a …

Catalyst-free cross-dehydrogenative coupling strategy using air as an oxidant: synthesis of α-aminophosphonates

J Dhineshkumar, P Samaddar, KR Prabhu - ACS omega, 2017 - ACS Publications
α-Aminophosphonates are synthesized by employing unfunctionalized starting materials
using cross-dehydrogenative coupling strategy. This method does not require any catalyst …

Base-promoted O-deprotonation/alkylation reaction of P (O)–OH compounds with alkyl halides

B Xiong, Q Ye, X Feng, L Zhu, T Chen, Y Zhou, CT Au… - Tetrahedron, 2014 - Elsevier
A novel base-promoted O-deprotonation/alkylation reaction of P (O)–OH compounds with
alkyl halides has been developed. The protocol is practical, representing a simple way to …

New syntheses of arylphosphinic acids from the reaction of ethyl diethoxymethylphosphinate with aryl bromides and phenols

NL Stuart - Journal of the Chemical Society, Perkin Transactions 1, 1995 - pubs.rsc.org
The chemistry of the hypophosphorous acid synthon, ethyl diethoxymethylphosphinate 1
has been further developed to afford efficient new routes to arylphosphinic acids 6 and 2 …

Rapid and Efficient Synthesis of Unsymmetrical Phosphinic Acids R′ P (O) OHR ″

C Fougère, E Guénin, J Hardouin, M Lecouvey - 2009 - Wiley Online Library
A new synthesis of unsymmetrical phosphinic acids R′ P (O) OHR ″has been evaluated.
The first P–C bond was formed by base‐promoted H‐phosphinate alkylation of a protected …

An eco-friendly paradigm for the synthesis of α-hydroxyphosphonates using sodium-modified fluorapatite under solventless conditions

HR Ramananarivo, A Solhy, J Sebti… - ACS Sustainable …, 2013 - ACS Publications
A versatile and environmentally friendly method for the synthesis of various
organophosphorus compounds have been developed using a heterogeneous catalysis …

Green, Palladium‐Catalyzed Synthesis of Benzylic H‐Phosphinates from Hypophosphorous Acid and Benzylic Alcohols

L Coudray, JL Montchamp - 2008 - Wiley Online Library
Benzylic alcohols cross‐couple directly with concentrated H3PO2 by using Pd/xantphos (1
or 2 mol‐%). Depending on the substrate, DMF at 110° C or t‐AmOH at reflux with a Dean …