Open Access1,1,1,4,5,5,5‐Heptafluoro‐4‐(trifluoromethyl)‐2,3‐pentanedione, a potent reagent for the synthesis of cyclic λ 5 σ 5 phosphoranes
Author(s) -
Görg Michaela,
Dieckbreder Uwe,
Schoth RalphMatthias,
Röschenthaler GerdVolker,
Kadyrov Alexander A.
Publication year - 1998
Publication title -
heteroatom chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.283
H-Index - 42
eISSN - 1098-1071
pISSN - 1042-7163
DOI - 10.1002/(sici)1098-1071(1998)9:2<109::aid-hc2>3.0.co;2-7
Subject(s) - chemistry , trifluoromethyl , heteroatom , reagent , phosphorus , medicinal chemistry , organic chemistry , ring (chemistry) , alkyl
1,1,1,4,5,5,5‐Heptafluoro‐4‐(trifluoromethyl)‐2,3‐pentanedione reacted with λ 3 σ 3 ‐phosphorus compounds, PR 1 R 2 R 3 (R 1 = CF 3 , R 2 = R 3 = Me, iPr, NEt 2 ; R 1 = NCO, R 2 = R 3 = OMe, OEt, R 2 −R 3 = OCH 2 CH 2 O, OCMe 2 CMe 2 O; R 1 = OSiMe 3 , R 2 = R 3 = OEt; R 1 = NEt 2 , R 2 = R 3 = OCH 2 CF 3 ; R 1 = R 2 = Et 2 N, R 3 = OCH 2 CF 3 , OCH(CF 3 ) 2 , OCH 2 Ph, OC 6 F 5 ) to give new 1,3,2λ 5 σ 5 ‐dioxaphospholenes. The first λ 5 σ 5 phosphoranes with an OCN group bonded to phosphorus were obtained. © 1998 John Wiley & Sons, Inc. Heteroatom Chem 9:109–113, 1998