1,4-Epoxybutane

Epoxide Opening of Organocopper Reagent with 1,2-Epoxybutane 

The organocopper reagent was generated as described in the preceding text. Epoxide (4 mmol) was added via a syringe at -35°C. The reaction mixture was gradually warmed to room temperature. For the aryl cases, the reaction mixture was heated at 40°C for Ih. Workup and isolation were performed as described in the preceding text. 

Copper Cyanide-Based Active Copper and Chentistry 

Services Reg. No.. 106-88-7 Chem. Abstr. Name. Ethyloxirane lUPAC Systematic Name. 1,2-Butylene oxide 

Synonyms 1-Butene oxide 1,2-butene oxide 1,2-butylene epoxide a-butylene oxide 1-butylene oxide epoxybutane ethyl ethylene oxide 2-ethyloxirane 

2 Structural and molecular formula and relative molecular mass 

Description. Clear, colourless liquid with pungent odour (Dow Chemical Co., 1988) 

Solubility. Soluble in water (82.4 mg/L at 25°C) miscible with diethyl ether very soluble in acetone, ethanol and most organic solvents (Verschueren, 1996 tide, 1997) 

Hayes Jr Organic phosphorus pesticides. In Pesticides Studied in Man, pp 284-435. Baltimore, MD, Williams Wilkins, 1982 

Koelle GB (ed) Cholinesterases and anticholinesterase agents. Handbuch der Experi-mentellen Pharmakologie, Vol 15, pp 989-1027. Berlin, Springer-Verlag, 1963 

Taylor P Anticholinesterase agents. In Gilman AG et al (eds) Goodman and Gilman s The Pharmacological Basis of Therapeutics, 7 th ed, pp 110-129. New York, Macmillan Publishing, 1985 

Gourtney KD, Andrews JE, Springer J, et al Teratogenic evaluation of the pesticides Baygon, Garbofuran, Dimethoate, and EPN.7 Environ Sci Health B 20(4) 373-406, 1985 

2-butylene epoxide ethyl ethylene oxide ethyl oxirane 

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The heats of combustion of 1 2 epoxybutane (2 ethyloxirane) and tetrahydrofuran have been measured one is 2499 kJ/mol the other is 2546 kJ/mol Match the heats of combustion with the respective compounds... 

Epoxybutane [106-88-7] M 72.1, b 66.4-66.6 , d 0.837, n 1.3841. Dried with CaS04, and fractionally distd through a long (126cm) glass helices-packed column. The first fraction contains a water azeotrope. 

Ch nical Designations1-Butene Oxide 1,2-Butylene Oxide a//>im-Butylene Oxide 1,2-Epoxybutane Chemical Formula C2H3CHCH2O. 

Stabilizers used were oxiranes (1,2-epoxybutane and epiehlorohydrin). Results not statistically compared with others in the study Testing effects of chloral, a metabolite of trichloroethylene... 

Zeaxanthin (135) was synthesized from the salt (133) and the dialdehyde (134) in 1,2-epoxybutane, a reagent superior to ethylene oxide particularly for polyenedialdehydes. The same salt was also used to prepare /3-cryptoxanthin and zeinoxanthin. Phenolic carotenoids from Strep-tomyces mediolani and 1,2-dihydro- and l,2,r,2 -tetrahydro-lycopene have also been obtained by conventional olefin synthesis. 

EO = ethylene oxide, PO = propylene oxide, Et-EO = 1,2-epoxybutane, Bu-EO =1 butylethylene oxide, BO = 2,3-epoxybutane, ECH = epichlorohydride, CHO = cyclohexene oxide... 

Titanium enolates.1 This Fischer carbene converts epoxides into titanium enolates. In the case of cyclohexene oxide, the product is a titanium enolate of cyclohexanone. But the enolates formed by reaction with 1,2-epoxybutane (equation I) or 2,3-epoxy butane differ from those formed from 2-butanone (Equation II). Apparently the reaction with epoxides does not involve rearrangement to the ketone but complexation of the epoxide oxygen to the metal and transfer of hydrogen from the substrate to the methylene group. 

Azatricyclo[2.2.1.02 6]hept-7-yl perchlorate, 2368 f Azetidine, 1255 Benzvalene, 2289 Bicyclo[2.1.0]pent-2-ene, 1856 2-/ert-Butyl-3-phenyloxaziridine, 3406 3 -Chloro-1,3 -diphenyleyclopropene, 3679 l-Chloro-2,3-di(2-thienyl)cyclopropenium perchlorate, 3388 Cyanocyclopropane, 1463 f Cyclopropane, 1197 f Cyclopropyl methyl ether, 1608 2,3 5,6-Dibenzobicyclo[3.3.0]hexane, 3633 3,5 -Dibromo-7-bromomethy lene-7,7a-dihy dro-1,1 -dimethyl-1H-azirino[l,2-a]indole, 3474 2.2 -Di-tert-butyl-3.3 -bioxaziridinc, 3359 Dicyclopropyldiazomethane, 2824 l,4-Dihydrodicyclopropa[ >, g]naphthalene, 3452 iV-Dimethylethyl-3,3-dinitroazetidine, 2848 Dinitrogen pentaoxide, Strained ring heterocycles, 4748 f 1,2-Epoxybutane, 1609 f Ethyl cyclopropanecarboxylate, 2437 2,2 -(l,2-Ethylenebis)3-phenyloxaziridine, 3707 f Methylcyclopropane, 1581 f Methyl cyclopropanecarboxylate, 1917 f Oxetane, 1222... 

EPOXYBUTANE METHYL ETHYL KETONE ETHYL VINYL ETHER TETRAHYDROFURAN cis-2-BUTENE-1,4-DIOL trans-2-BUTENE-1,4-DIOL ISOBUTYRIC ACID n-BUTYRIC ACID... 

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