In:
Chemical Communications, Royal Society of Chemistry (RSC), Vol. 58, No. 93 ( 2022), p. 12943-12946
Kurzfassung:
Compounds with the benzisothiazol-3-one (BIT) skeleton perform excellently in the pharmaceutical field, although current synthetic methods remain limited in terms of synthetic efficiency. Herein, we report the catalytic intramolecular N–S bond formation for BITs from easily prepared disulfide precursors by an Fe( iii ) dithiolate through O 2 activation at 298 K. Interestingly, the catalytic performance is enhanced by substituting O 2 with a milder O-donor oxidant, ONMe 3 . Catalytic oxygenation of PPh 3 to OPPh 3 can also proceed under similar conditions. In addition, the first anionic monosulfenato Fe( iii ) species, Fe( iii )–S(O)R, is isolated with structural characterization from the reaction of Fe( iii ) thiolate and ONMe 3 .
Materialart:
Online-Ressource
ISSN:
1359-7345
,
1364-548X
Sprache:
Englisch
Verlag:
Royal Society of Chemistry (RSC)
Publikationsdatum:
2022
ZDB Id:
1472881-3