coupling occurs, 9-13 ketones yield α-hydroxy ketones, 14 certain β-diketones undergo cyclization, 15 Pummerer-type reaction occurs, 16 and deprotective dethioacetalization is an important use 17 ) Alternate Names: bis(trifluoroacetoxyiodo)benzene ; iodobenzene bis(trifluoroacetate) ; PIFA; BTI...
1) phenyliodine(III)-bis(trifluoroacetate) 二(三氟乙酸)碘苯2) bis(trifuoroacetoxy)iodobenzene 二(三氟乙酰氧)碘苯3) iodine tris(trifluoro acetate) 三(三氟乙酸)碘4) Iodonium,bis[4-(1,1-dimethylethyl) phenyl]- , salt with trifluoromethanesulfonic acid bis(4-tert-butylphenyl)iodonium ...
R. Olivera,R. SanMartin,S. Pascual,E. Dominguez.Phenyliodine (Ⅲ) bis (trifluoroacetate) mediated synthesis of phenanthro[9,10-d] fused isoxazoles and pyrimidines. Tetrahedron Letters . 1999Olivera, R., et al., " Phenyliodine (III) bis(trifluoroacetate) Mediated Synthesis of Phenantrho [9,...
The reaction of phenyliodine bis(trifluoroacetate) (PIFA) with a series of anilides 1 (E = CO2Et) in CF3CH2OH was found to give 3-hydroxy-2-oxindole derivatives 2, while that with various anilides 1′ (E = CON(R4)Ar) afforded the C2-symmetric or unsymmetric spirooxindoles 3. These pr...
S.FUJITAJohn Wiley & Sons, Ltd.ChemInformKita, Y.; Tohma, H.; Takada, T.; Mitoh, S.; Fujita, S.; Gyoten, M. A novel and direct alkyl azidation of p-alkylanisoles using phenyl iodine(III) bis(trifluoroacetate) (PIFA) and trimethylsilyl azide. Synlett 1994, 427-428....
Chemoselective Arylsulfenylation of 2-Aminoimidazol[1,2-a]pyridines by Phenyliodine(III) Bis(trifluoroacetate) (PIFA)chemoselective sulfenylationThe ethyl lactate (I) is converted into the protected trihydroxydienynes (II) which are reduced to form the isomeric trienes (III)....
Phenyliodine(III)bis(trifluoroacetaye近十幾年來,高價碘試劑由於它的低毒性,易處理的特質,所以廣泛地應 用在有機合成 上.在一系列的高價碘試劑中,其中以 phenyliodine( III) diacetate (PIDA) 和 phenyliodine(III) bis(trifluoroacetate) (PIFA) 是最常被使用的二種高價碘試劑. 曾有研究指出 a-acyl...
oxidation of ethynylcarbinolsdihydroxyacetonyl compoundscleavage of thioglycosidesdearomatization of p‐substituted phenols and derivativesThis article has no abstract.doi:10.1002/9780471264194.fos07980.pub5Tse-Lok HoMary FieserJanice SmithLouis FieserAmerican Cancer Society...
The room temperature, 1,3-dipolar cycloaddition reactions of the nitrile oxide obtained from (6-piperidin-1-yl-9H-purin-9-yl)acetaldehyde oxime upon phenyliodine(III) bis(trifluoroacetate) treatment with excess unsaturated alcohols as solvent resulted in isoxazoline or isoxazole derivatives in almost...
On the phenyliodine (Ⅲ)-bis (trifluoroacetate)-mediated olefin amidohydroxylation reaction. Tellitu I,Urrejola A,Serna S,Moreno I,Herrero M. T,Dominguez E,SanMartin R,Correa A. European Journal of Organic Chemistry . 2007Tellitu, I,Urrejola, A,Serna, S et al.On the Phenyliodine (III)–...