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Formaldehyde in Super Acids: A Succession of Products from Carbenium through Oxonium Ion to Hydroxymethyl(methylidene)oxonium Salts
Author(s) -
Minkwitz Rolf,
Schneider Stefan,
Preut Hans
Publication year - 1998
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/(sici)1521-3773(19980302)37:4<494::aid-anie494>3.0.co;2-2
Subject(s) - oxonium ion , chemistry , protonation , formaldehyde , hydroxymethyl , ion , organic chemistry
An oxonium ion with hydroxymethyl and methylidene substituents is found in the salts 1 ‐MF 6 (M=As, Sb), which can be isolated from solutions of formaldehyde in superacids HF/MF 5 . Their formation was at first surprising, since NMR spectroscopy indicates that protonated monofluoromethanol is present in solution.