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Der A2+-Mechanismus der säurekatalytischen Hydrolyse von Epoxiden und anderen cyklischen Oxa- Verbindungen

✍ Scribed by Alfred V. Willi


Publisher
John Wiley and Sons
Year
1973
Tongue
German
Weight
309 KB
Volume
56
Category
Article
ISSN
0018-019X

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✦ Synopsis


Abstract

It is suggested that the acid catalyzed hydrolyses of isobutene oxide and propene oxide proceed via rate‐determining bimolecular reaction between a carbonium ion and solvent water (A2^+^ mechanism). The carbonium ion is formed by ring opening of the protonated epoxide, in a relatively fast preceding step. This mechanism is in agreement with all experimental facts known today. There is evidence for a similar mechanism in the acid catalyzed hydrolyses of cyclic acetals.


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