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The UV photolysis of liquid diethyl ether

✍ Scribed by C. Von Sonntag; H.-P. Schuchmann; G. Schomburg

Book ID
104204537
Publisher
Elsevier Science
Year
1972
Tongue
French
Weight
532 KB
Volume
28
Category
Article
ISSN
0040-4020

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✦ Synopsis

Ab&act-In the 185 nm photolysis of liquid (0,~frtc) diethyl ether the following products (quantum yields) are formed: hydrogen (OO6s1. methane (@OCOSl ethylene (@OS,), ethane (012X propane (OOOl,), butane (@07), acetaldehyde (0%). ethanol (@46), ethyl vinyl ether (O@), set-butyl ethyl ether (019,), l,l-diethoxyethane (<0.0003), and 2,3-diethoxybutane (006,). From material balana calculations it has been concluded that the most important primary process is the homolytic s&ion of the C-O bond into ethyl and ethoxy radicals (ca. 70%). Fragmentation into molecules and cage reactions yield ethane and acetaldehyde (ca. loo/,), ethylene and ethanol (ca. 8.5%) and hydrogen and ethyl vinyl ether (ca. 11%). The scission of the CX bond is of minor importance (~05%).

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## Abstract Information is given as to the rates of peroxidation of diethyl ether and di‐__iso__propyl ether under normal laboratory conditions of storage, both with and without inhibitors. Di‐__iso__propyl ether peroxidizes in daylight at least twice as rapidly, and in the dark several times as ra