Ethyl hypophosphite

Sulfenyl cldorides, sulfinic acids and sulfinyl chlorides were reduced in good yields by lithium aluminum hydride to disulfides [680], The same products were obtained from sodium or lithium salts of sulfinic acids on treatment with sodium hypophosphite or ethyl hypophosphite [507]. Sulfoxy-sulfones are intermediates in the latter reaction [507]. 

Hydrazoic acid Hydrides, volatile Hydrogen cyanide (unstabilized) Hydrogen (low pressure) Hydrogen peroxide (> 35% water) Magnesium peroxide Mercurous azide Methyl acetylene Methyl lactate Nickel hypophosphite Nitriles > ethyl Nitrogen bromide... 

Maier, L., The addition of hypophosphite esters to activated olefins, a new method for preparing substituted ethyl phosphinates, Helv. Chim. Acta, 56, 489, 1973. 

The same group reported indium-mediated tandem radical addition-cyclization-trap reactions in aqueous media [52c], The use of water-soluble radical initiator 2,2 -azobis[2-(2-imidazolin-2-yl)propane], water-soluble chain carrier 1-ethyl-piperidinium hypophosphite (EPHP) and surfactant cetylammonium bromide (CTAB) allowed the C-C bond-forming radical reactions of highly hydrophobic substrates in water [53], Similarly, the use of CTAB and EPHP in presence of 4,4 -azobis(4-cyanovaleric acid) promoted the indium-mediated radical addition to P-substituted conjugated alkenes in water [54]. 

Belclene 660. See Etidronic acid Bellacide 325. See Terbuthylazine Bellasol S26 Bellasol S28. See Maleic anhydride, polymer with ethyl acrylate and vinyl acetate, hydrolyzed Bellasol S29. See Polyacrylic acid-co-hypophosphite, sodium salt Beisol. See Diisopropyl adipate Benacure 184. See 1-Hydroxycyclohexyl phenyl ketone... 

Maleic anhydride, polymer with ethyl acrylate and vinyl acetate, hydrolyzed scale inhibitor, barium/strontium sulfate Polyacrylic acid-co-hypophosphite, sodium salt... 

A plethora of 2-substituted 0,0-bis(trimethylsilyl) alkylphosphonites, their analogues and functionalised derivatives have been prepared by nucleophilic or free-radical additions to bis(trimethylsiloxy) phosphine. Silyl phosphonites (16), formed in situ by the addition of bis(trimethylsily) hypophosphite to the corresponding a-substituted acrylates, styrene or vinyl phosphonates were used for the preparation of pseudo-y-aminobutanoyl peptides and other phosphinic analogues of y-aminobutyric acid in an Arbuzov reaction with A-(o)-bromoalkyl)phthalimides. The Michaelis-Arbuzov reaction of ethyl a-bromo-a-fluoro- and a,a-difluoroacetates with dialkyl phenylphosphonite was reported to furnish unusual products (17)... 

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