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Isocyanatosulfonium‐Salze
Author(s) -
Erhart Markus,
Mews Rüdiger,
Pauer Frank,
Stalke Dietmar,
Sheldrick George M.
Publication year - 1991
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19911241106
Subject(s) - chemistry , sulfur , medicinal chemistry , stereochemistry , organic chemistry
Isocyanatosulfonium Salts RR'SF 2 reacts with Me 3 SiNCO to give the corresponding N ‐(fluoroformyl)sulfur imides FC(O)NSRR' [R = NMe 2 , R' = F ( 7 ); R' = CF 3 ( 9 )]. From these AsF 5 abstracts F ‐ with formation of isocyanatosulfonium salts ONC—SRR' + AsF ‐ 6 [R = F, R' = CF 3 ( 6 ); R = NMe 2 , R' = F ( 8 ); R = NMe 2 , R' = CF 3 ( 10 )]. The spectroscopic properties of the fluoroformyl derivatives and of the isocyanato salts are discussed. The structures of 8 and 10 are determined by X‐ray analyses.
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