Preparation, NMR, and Ab Initio/IGLO/GIAO‐MP2 Study of the Elusive Protonated Fluroformic Acid and Fluorocarbonyl Cation | Zendy

Olah George A. | Zendy; Burrichter Arwed | Zendy; Methew Thomas | Zendy; Vankar Yashwant D. | Zendy; Rasul Golam | Zendy; Prakash G. K. Surya | Zendy

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Preparation, NMR, and Ab Initio/IGLO/GIAO‐MP2 Study of the Elusive Protonated Fluroformic Acid and Fluorocarbonyl Cation

Author(s) -

Olah George A.,

Burrichter Arwed,

Methew Thomas,

Vankar Yashwant D.,

Rasul Golam,

Prakash G. K. Surya

Publication year - 1997

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199718751

Subject(s) - protonation , chemistry , ab initio , nuclear magnetic resonance spectroscopy , computational chemistry , fluorine 19 nmr , ab initio quantum chemistry methods , carbon 13 nmr , ion , organic chemistry , molecule

Protolysis of tert ‐butyl fluoroformate [Eq.(a)] in a solution of FSO 3 H/SbF 5 ‐SO 2 ClF at −78°C yields the stable protonated form of the elusive fluoroformic acid [FC(OH) 2 ] + . It was characterized by 1 H, 13 C, and 19 F NMR spectroscopy. Evidence was also obtained for the formation of fluorocarbonyl cation [FCO] + , but not for diprotonated fluororformic acid [FC(OH 2 )OH 2 ] + .

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