1966
DOI: 10.1139/v66-241
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Amélioration De La Synthèse Des Di- Et Tri-Bromhydrines Du Pentaérythritol

Abstract: The i1.m.r. spectrum of this inaterial in DhISO-db is recorded in spectrui11 E. T h e appearance of a sharp CH singlet a t 6 = G.52 confirmed the selective precipitation of only one of the two possible geometric isomers. As expected then, dilution of this last n.m.r. sample with D2O led again to spectrum R.T h e authors thank the Directorate of Chemical Sciences, Air Force Office of Scientific Research, for their support of this research under grants AF-AFOSR-63-18 and 488-64, and acknowledge the assistance of… Show more

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“…Pentaerythritol (1) was first converted into 2,2-bis(bromomethy1)-3-bromo-propanol (2) in high yields (90 %) with anhydrous hydrobromic acid in acetic acid (5). The tribromo derivative 2 was then converted to 3,3-bis(aminomethy1)-oxetane dihydrobromide as described previously (6) and as illustrated in Scheme 1.…”
mentioning
confidence: 99%
“…Pentaerythritol (1) was first converted into 2,2-bis(bromomethy1)-3-bromo-propanol (2) in high yields (90 %) with anhydrous hydrobromic acid in acetic acid (5). The tribromo derivative 2 was then converted to 3,3-bis(aminomethy1)-oxetane dihydrobromide as described previously (6) and as illustrated in Scheme 1.…”
mentioning
confidence: 99%