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Sigmatropic rearrangement of unsaturated acetals. Mechanistic study of the thermal isomerization of 5-alkylidene-1,3-dioxanes

✍ Scribed by Mutterer, F.; Fleury, J. P.


Book ID
126216592
Publisher
American Chemical Society
Year
1974
Tongue
English
Weight
356 KB
Volume
39
Category
Article
ISSN
0022-3263

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The rate constants for the 1,3-and 1,Mgmatropic hydrogen shifts of the phot&Fries rearranged intermediates of phenyl acetate produced by laser flash photolysis at 266 nm were directly measured in several solvents. The rate constant for the 1,3hydrogen shift (3.6 s-l) was faster than that for the l&s