N-Butyl chloroformate

PEROXIDES AND PEROXIDE COMPOUNDS - ORGANIC PEROXIDES] (Vol 18) n-Butyl chloroformate [592-34-7]... 

Butanetriol trinitrate tert-Butoxycarbonyl azide n-Butyl chloroformate... 

A mixture consisting of the Step 7 product (0.74 mmol), 4-pyrrolidinopyridine (0.09 mmol), and 927 jxl n-butyl chloroformate dissolved in 6 ml pyridine was stirred 2 days at ambient temperature, then concentrated. The residue was dissolved in CH2C12, washed with a 10% solution of citric acid and with water, dried with Na2S04, and concentrated. The residue was purified by chromatography using CH2Cl2/methyl alcohol, 20 1, and 470 mg of product isolated as a slightly yellow amorphous foam. 

Henkelmann and co-workers found that chloroformates are good coupling partners of 1-alkynes, and the reaction offers a useful synthetic method for aryl-propiolates [87]. Reaction of n-butyl chloroformate with phenylacetylene in the presence of 1,2,2,6,6-pentamethylpiperidine as a hindered base and a small amount of A, A-dimethylaminopyridine afforded n-butyl phenylpropiolate (188) in 98% yield within 25 min in refluxing dichloromethane. 

Carbon nitride. See Cyanogen Carbonochloride acid, 1-methylethyl ester. See Isopropyl chloroformate Carbonochloridic acid, butyl ester. See n-Butyl chloroformate... 

N-Benzyldimethylamine Benzyltriethyl ammonium chloride Benzyl trimethyl ammonium chloride Bis (2-ethylhexyl) maleate Bis (glycidoxypropyl) tetramethyidisiloxane 3-[Bis (2-hydroxyethyl) amino] propyltriethoxysilane N,N -Bis (2-hydroxypropyl)-2-methylpiperazine Bis-(N-methylbenzamide) ethoxymethyl silane Bisphenol A ethoxylate diacrylate Bis-(3-(triethoxysilyl) propyl) tetrasulfane Bis (trimethoxysilylpropyl) ethylene diamine Bis (trimethylsilyl) urea 1-Butoxyethoxy-2-propanol Butoxytriglycol t-Butyl alcohol n-Butyl chloroformate n-Butyldimethylchlorosilane Butyl lactate t-Butyl mercaptan Butyl myristate t-Butyl perbenzoate Butyl sulfide Calcium undecylenate C8-10 alcohols C14-15 alcohols... 

A soln. of f-caprolactam in 2 moles of aq. NaOH refluxed 4 hrs. with agitation, cooled to room temp., n-butyl chloroformate added dropwise below 20°, and stirred 16 hrs. at room temp. N-carbo-n-butoxy-f-aminocaproic acid. Y 97%. F. e. s. B. Taub and J. B. Hino, J. Ghem. Eng. Data 9, 106 (1964). 

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