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Glycidic Esters with Thiourea in Sulfuric Acid 1943 hours with 2 g. of bromoacetone. The crude quaternary salt XVI was precipitated by the addition of ether, the filtrate concentrated, and more product precipitated by addition of ethyl acetate. The quaternary salt XVII recrystallized from ethanol and ether yielded 0.8 g., m.p. 202-205°. By continuing the reflux period for an additional 46 hours it was possible to obtain another 0.35 g. of the salt XVII, making the total yield 1.15 g. (62%). The analytical sample was obtained from ethanol-ether as colorless plates, m.p. 204.5-207.5°.

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1964) ] describes the preparation of certain organic azides and triazoles. Amounts of compounds collected and worked with in one batch are reported as follows:698 grams of bis (2 -azidoethy 1) ether 264 grams of 1-azidobutane 31 grams of 1,5-diazidopentane 464 grams of l-butyl-4(and 5)-methyl-1,2,3-triazole Unstated amount of diazides were obtained from: 439.4 grams of sodium azide and 550 grams of bis-(2-chloro-l-methylethyl) ether 144 grams of sodium azide and 187 grams of 1,2-bis-(2 chloroethoxy) ethane 78 grams of sodium azide and 157 grams of chloroethyl