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Trifluoromethyltrimethylsilane (known as Ruppert-Prakash reagent, TMSCF 3) is an organosilicon compound with the formula CF 3 Si(CH 3) 3.It is a colorless liquid. The compound is a reagent used in organic chemistry for the introduction of the trifluoromethyl group.
It is also referred to as perfluoromethanol or trifluoromethyl alcohol. The compound is the simplest perfluoroalcohol . [ 2 ] The substance is a colorless gas, which is unstable at room temperature.
The first to investigate trifluoromethyl groups in relationship to biological activity was F. Lehmann in 1927. [5] An early review appeared in 1958. [6] An early synthetic method was developed by Frédéric Swarts in 1892, [7] based on antimony fluoride. In this reaction benzotrichloride was reacted with SbF 3 to form PhCF 2 Cl and PhCF 3.
Topical cream formulation is an emulsion semisolid dosage form that is used for skin external application. Most of the topical cream formulations contain more than 20 per cent of water and volatiles and/or less than 50 per cent of hydrocarbons , waxes , or polyethylene glycols as the vehicle for external skin application. [ 1 ]
The US Food and Drug Administration (FDA) approved it for flea treatment in dogs in May 2014, [17] and approved the combination fluralaner/moxidectin (Bravecto Plus) as a topical treatment for cats in November 2019.
Trifluoracetone is also used in a synthesis of 2-trifluoromethyl-7-azaindoles starting with 2,6-dihalopyridines. The derived chiral imine is used to prepare enantiopure α-trifluoromethyl alanines and diamines by a Strecker reaction followed by either nitrile hydrolysis or reduction.
Trifluoromethyl hypofluorite is an organofluorine compound with the chemical formula C F 3 OF. It exists as a colorless gas at room temperature and is highly toxic. [1] It is a rare example of a hypofluorite (compound with an O−F bond). It can be seen as a similar chemical compound to methanol where every hydrogen atom is replaced by a ...
Trifluoromethyl group covalently bonded to an R group. The trifluoromethyl group is a functional group that has the formula-CF 3. The naming of is group is derived from the methyl group (which has the formula -CH 3), by replacing each hydrogen atom by a fluorine atom. Some common examples are trifluoromethane H– CF 3, 1,1,1-trifluoroethane H ...
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