Diethyl ethyl phosphate

Allylic phosphates are used for carbonylation in the presence of amines under pressure. Carbonylation of diethyl neryl phosphate (389) affords ethyl homonerate (390), maintaining the geometric integrity of the double bond[244]. The carbonylation of allyl phosphate in the presence of the imine 392 affords the /3-lactam 393. The reaction may be explained by the formation of the ketene 391 from the acyl phosphate, and its stereoselective (2 + 2] cycloaddition to the imine 392 to give the /3-lactam 393(247],... 

Of the three organic phosphorus insecticides—hexaethyl tetraphosphate, tetraethyl pyrophosphate, and parathion—the first two have been shown to be mixtures (36) that contain tetraethyl pyrophosphate as the principal active ingredient. Several methods have been proposed for the determination of this compound in the commercial products (25, 35). All are based on the separation of the tetraethyl pyrophosphate from the related ethyl phosphates, followed by its hydrolysis to diethyl orthophosphoric acid and titration with standard alkali. Both hexaethyl tetraphosphate and tetraethyl pyrophosphate are soluble in water and are rapidly hydrolyzed to monoethyl and diethyl orthophosphoric acid. This rapid hydrolysis to nontoxic products greatly limits the duration of the in- secticidal effectiveness of tetraethyl pyrophosphate, but it also eliminates the danger of toxic residues on the crops treated. 

Parathion degraded on both glass surfaces and on bean plant leaves. Metabolites reported were paraoxon, 4-nitrophenol, and a compound tentatively identified as 5-ethyl parathion (El-Refai and Hopkins, 1966). Upon exposure to high intensity UV light, parathion was altered to the following photoproducts paraoxon, 0,5-diethyl 0-4-nitrophenyl phosphorothioate, 0,0-diethyl 5-4-nitrophenyl phosphorothioate, 0,0-bis(4-nitrophenyl) 0-ethyl phosphorothioate, 0,0-bis(4-nitrophenyl) 0-ethyl phosphate, 0,0-diethyl 0-phenyl phosphorothioate, and 0,0-diethyl 0-phenyl phosphate (Joiner et al., 1971). 

TRYPTAMINE, N,N-DIETHYL-4-HYDROXY 4-INDOLOL, 3-[2-(DIETHYLAMINO)ETHYL] N,N-DlETHYL-4-HYDROXYTRYPTAMINE 3-[2-(DIETHYLAMINO)ETHYL]-4-INDOLOL CZ-74 4-HO-DET PHOSPHATE ESTER TRYPTAMINE, N,N-DIETHYL-4-PHOSPHORYLOXY 4-INDOLOL, 3-[2-(DIETHYLAMINO)ETHYL], PHOSPHATE ESTER N,N-DIETHYL-4-PHOSPHORYLOXYTRYPTAMINE 3-[2-(DIETHYLAMINO)ETHYL]-4-INDOLOL,... 

Esterification of dialkyl phosphates is carried out with diethyl azodicarboxylate and triphenylphosphine (equation 46). This condensation is applicable to phosphorylation of pyrimidine nucleosides. The trichloromethanephosphonic acid derivative (69 equation 47) serves as a phosphorylating agent of ribonucleosides, affording the 2 - and 3 -monophosphates. ° Ethyl vinyl ether assisted the dimeric condensation of diethyl hydrogen phosphate giving tetraethyl pyrophosphate (equation 48). ... 

Triethyl Phosphate. Ethyl phosphate. CjH.-O.P mol wt 182.16. C 39.56%. H 8.30%, O 35.13%, P 17.01%. (CjHj)jP04. Prepd from tetraethyl hypophoSphate with ethanol in the presence oF aluminum ethoxide Mukaiyama et of.. J. Org. Chem. 27, 1815 (1962). Manuf by treating tri-ethyl phosphite with diethyl hydrogen phosphate McCall, Coover, U-S. pat. 2,960,529 (1960 to Kodak). 

The treatment of diethyl aroylphosphonates with 3-chloroperoxybenzoic acid yields diethyl aroyl phosphates (oxygen insertion) in 70-85% yields together with smaller amounts of mixed carboxylic anhydrides, ethyl benzoate and diethyl hydrogenphosphate (Scheme 31). The main reaction is a typical Baeyer-Villiger oxidation, applied here to an acylphosphonate The reaction generally has little value in the synthesis of acyclic mixed anhydrides, which are easily obtained by other procedures, but it is of value in some slightly modified but specific cases as, for example, in the synthesis of compounds in the 2,3-oxaphosphabicyclo[2.2.2]octane series (Section III.A.2). The 1 1 adducts of H-phospholes and A-phenylmaleimide (177) or dimers of the same phospholes (178 R =... 

Diethylammonium bis (2-(hexyloxy) ethyl) phosphate. See Phosphoric acid, bis (2-hexyloxyethyl) ester, diethylamine salt Diethyl aniline... 

Di(2-ethylhexyl) tetrabromophthalate. See Tetrabromobis (2-ethylhexyl) phthalate Diethyl hydrogen phosphate. See Ethyl acid phosphate... 

Ethyl acid phosphate CAS 598-02-7 EINECS/ELINCS 209-912-5 Synonyms Diethyl hydrogen phosphate Diethyl phosphate Diethyl phosphate (mono- and di-) Diethyl phosphoric acid 0,0-Diethylphosphoric acid Phosphoric acid, diethyl ester Classification Organo-phosphate Empirical C4H11O4P... 

Ethyl phosphate. See Triethyl phosphate Ethylphosphonodithioic acid-O-ethyl-S-phenyl ester. SeeFonofos Ethyl phthalate. See Diethyl phthalate Ethyl phthalyl ethyl glycolate CAS 84-72-0... 

Diethyl ethyl phosphonate 78-40-0 Eastman TEP Eastman Triethyl Phosphate Triethyl phosphate 78-42-2 Amgard TOP Base 104 Crodafos 2EHAP Disflamoll TOP Hostaphat 2122 Kronitex TOP Merrol TOP Reolube TOP Reomol TOP Sipophos 2EHP... 

Diethyl ethyl phosphonate Triethyl phosphite C6H15O3PS2 Demetonmethyl Demeton-S-methyl C6H15O4P Triethyl phosphate C6H15O4PS2 Oxydemeton-methyl CeHisP... 

Other phosphorus containing polymers that have been the subject of thermal stability studies include alkyl phosphate-type polyols [2] and poly(diethyl-2-(methacryl-oyloxy) ethyl phosphate [3]. 

Some specific recent applications of the chromatography-mass spectrometry technique to various types of polymers include the following PE [130, 131], poly(l-octene), poly(l-decene), poly(l-dodecene) and 1-octene-l-decene-l-dodecene terpolymer [132], chlorinated polyethylene [133], polyolefins [134,135], acrylic acid, methacrylic acid copolymers [136, 137], polyacrylate [138], styrene-butadiene and other rubbers [139-141], nitrile rubber [142], natural rubbers [143,144], chlorinated natural rubber [145,146], polychloroprene [147], PVC [148-150], silicones [151,152], polycarbonates (PC) [153], styrene-isoprene copolymers [154], substituted PS [155], polypropylene carbonate [156], ethylene-vinyl acetate copolymer [157], Nylon 6,6 [158], polyisopropenyl cyclohexane-a-methylstyrene copolymers [195], cresol-novolac epoxy resins [160], polymeric flame retardants [161], poly(4-N-alkylstyrenes) [162], pol)winyl pyrrolidone [31,163], vinyl pyrrolidone-methacryloxysilicone copolymers [164], polybutylcyanoacrylate [165], polysulfide copolymers [1669], poly(diethyl-2-methacryloxy) ethyl phosphate [167, 168], ethane-carbon monoxide copolymers [169], polyetherimide [170], and bisphenol-A [171]. 

Metals of Valency Three and Higher.— There have been several reports of the measurement by n.m.r. of the kinetic characteristics of complexes of Group IIIA tervalent metal ions. Delpuech et al. have used the spectra associated with the A1 and nuclei to identify the species present in solutions of the metal and a number of phosphorus-containing ligands, and to measure their exchange characteristics. It appears that the major solvates of AP+ in trimethyl (TMPA) and triethyl phosphates (TEPA), dimethyl methyl- (DMMP) and diethyl ethyl-phosphonates (DEEP), and dimethyl hydrogen phosphite (DMHP) are octahedral. In each case the rate law for the exchange process,... 

The diacetone-D-glucosyl-3-0-(A A -diethylamido)thiophosphates of the lipid-soluble vitamins D2, D3, and E have been obtained in a one-pot procedure by sequential addition of the vitamin, the sugar, and sulfur to phosphorous acid tris(A,A -diethyl)amide in the presence of catalytic iodine. In the preparation of the 3-[sodium-2-(perfluoroalkyl)ethyl phosphates] 47 of diacetone glucose. 

Perng and co-workers [21,22] in their pyrolysis studies on the thermal decomposition characteristics of poly(diethyl-2-(methacryloxy)ethyl phosphate fire retardant agent demonstrated two-stage pyrolysis regions. During the first stage hydroxy ethyl... 

Diethyl 0-(3-methyl-5-pyrazolyl) phosphate (722) and 0,0-diethyl 0-(3-methyl-5-pyrazolyl) phosphorothioate (723) were prepared in 1956 by Geigy and they act, as do all organophosphates in both insects and mammals, by irreversible inhibition of acetylcholinesterase in the cholinergic synapses. Interaction of acetylcholine with the postsyn-aptic receptor is therefore greatly potentiated. 0-Ethyl-5-n-propyl-0-(l-substituted pyrazol-4-yl)(thiono)thiolphosphoric acid esters have been patented as pesticides (82USP4315008). 

Water with aniline, benzene, benzyl alcohol, carbon disulfide, carbon tetrachloride, chloroform, cyclohexane, cyclohexanol, cyclohexanone, diethyl ether, ethyl acetate, isoamyl alcohol, methyl ethyl ketone, nitromethane, tributyl phosphate or toluene. 

NH4OH, MeOH. These conditions result in cleavage of only one ethyl group of a diethyl phosphonate. Selective monodeprotection of a number of alkyl-protected phosphates is fairly general for cases where cleavage occurs by the release of phosphate or phosphonate anions. 

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