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Showing results for fluoroform
Your search for fluoroformol retrieved no results
Fluoroform-Derived CuCF3 for Trifluoromethylation of Terminal and TMS-Protected Alkynes.
He L, Tsui GC. He L, et al. Org Lett. 2016 Jun 17;18(12):2800-3. doi: 10.1021/acs.orglett.6b00999. Epub 2016 Jun 3. Org Lett. 2016. PMID: 27258390
An efficient trifluoromethylation reaction of alkynes using a fluoroform-derived CuCF3 reagent is described. The CF3 source is the inexpensive industrial waste fluoroform (CF3H). ...The beneficial effect of a diamine ligand tetramethylethylenediamine (TMEDA) with th …
An efficient trifluoromethylation reaction of alkynes using a fluoroform-derived CuCF3 reagent is described. The CF3 source is the in …
A Gas Phase Route to [(18)F]fluoroform with Limited Molar Activity Dilution.
Yang BY, Telu S, Haskali MB, Morse CL, Pike VW. Yang BY, et al. Sci Rep. 2019 Oct 16;9(1):14835. doi: 10.1038/s41598-019-50747-3. Sci Rep. 2019. PMID: 31619702 Free PMC article.
Prior methods of [(18)F]fluoroform synthesis used difluoro precursors in solution and led to high dilution with carrier and low molar activity (A(m)). We explored a new approach for the synthesis of [(18)F]fluoroform based on the radiosynthesis of [(18)F]fluorometha …
Prior methods of [(18)F]fluoroform synthesis used difluoro precursors in solution and led to high dilution with carrier and low molar …
Hydroxytrifluoromethylation of Alkenes Using Fluoroform-Derived CuCF(3).
Yang X, He L, Tsui GC. Yang X, et al. Org Lett. 2017 May 5;19(9):2446-2449. doi: 10.1021/acs.orglett.7b01085. Epub 2017 Apr 25. Org Lett. 2017. PMID: 28440653
Hydroxytrifluoromethylation of alkenes using the fluoroform (CF(3)H)-derived [CuCF(3)] reagent is described. In the presence of additive B(2)Pin(2) and air, this reagent effectively facilitates the addition of hydroxy and trifluoromethyl groups across an alkene double bond …
Hydroxytrifluoromethylation of alkenes using the fluoroform (CF(3)H)-derived [CuCF(3)] reagent is described. In the presence of addit …
Direct cupration of fluoroform.
Zanardi A, Novikov MA, Martin E, Benet-Buchholz J, Grushin VV. Zanardi A, et al. J Am Chem Soc. 2011 Dec 28;133(51):20901-13. doi: 10.1021/ja2081026. Epub 2011 Dec 2. J Am Chem Soc. 2011. PMID: 22136628
We have found the first reaction of direct cupration of fluoroform, the most attractive CF(3) source for the introduction of the trifluoromethyl group into organic molecules. ...As demonstrated, neither CF(3)(-) nor CF(2) mediate the Cu-CF(3) bond formation, which accounts …
We have found the first reaction of direct cupration of fluoroform, the most attractive CF(3) source for the introduction of the trif …
Argentination of Fluoroform: Preparation of a Stable AgCF(3) Solution with Diverse Reactivities.
Xiang JX, Ouyang Y, Xu XH, Qing FL. Xiang JX, et al. Angew Chem Int Ed Engl. 2019 Jul 22;58(30):10320-10324. doi: 10.1002/anie.201905782. Epub 2019 Jun 24. Angew Chem Int Ed Engl. 2019. PMID: 31120623
The transformation of a large-volume industrial by-product and stable greenhouse gas fluoroform (HCF(3) ) to useful products has recently received significant attention. ...
The transformation of a large-volume industrial by-product and stable greenhouse gas fluoroform (HCF(3) ) to useful products has rece …
Reactions of oxygen atoms with fluoroform and its radiolysis products: matrix isolation and ab initio study.
Sosulin IS, Shiryaeva ES, Tyurin DA, Feldman VI. Sosulin IS, et al. Phys Chem Chem Phys. 2023 Jun 15;25(23):15777-15787. doi: 10.1039/d3cp01075a. Phys Chem Chem Phys. 2023. PMID: 37254668
Singlet oxygen atoms also probably react with the products of radiation-induced degradation of fluoroform (CF(3) and CF(2)). Additionally, the reaction of "hot" O((3)P) atoms with fluoroform may occur to a certain extent yielding the CF(3) radical. ...The implicatio …
Singlet oxygen atoms also probably react with the products of radiation-induced degradation of fluoroform (CF(3) and CF(2)). Addition …
Use of fluoroform as a source of difluorocarbene in the synthesis of difluoromethoxy- and difluorothiomethoxyarenes.
Thomoson CS, Dolbier WR Jr. Thomoson CS, et al. J Org Chem. 2013 Sep 6;78(17):8904-8. doi: 10.1021/jo401392f. Epub 2013 Aug 23. J Org Chem. 2013. PMID: 23931184
Fluoroform, CHF3, a non-ozone-depleting, nontoxic, and inexpensive gas can be used as a difluorocarbene source in a process for the conversion of phenols and thiophenols to their difluoromethoxy and difluorothiomethoxy derivatives. ...
Fluoroform, CHF3, a non-ozone-depleting, nontoxic, and inexpensive gas can be used as a difluorocarbene source in a process for the c …
[(11) C]Fluoroform, a Breakthrough for Versatile Labeling of PET Radiotracer Trifluoromethyl Groups in High Molar Activity.
Haskali MB, Pike VW. Haskali MB, et al. Chemistry. 2017 Jun 16;23(34):8156-8160. doi: 10.1002/chem.201701701. Epub 2017 May 17. Chemistry. 2017. PMID: 28514059 Free PMC article.
Here, the synthesis of [(11) C]fluoroform is described, based on CoF(3) -mediated fluorination of cyclotron-produced [(11) C]methane. This process is efficient and repetitively reliable. [(11) C]Fluoroform shows versatility for labeling small molecules in very high …
Here, the synthesis of [(11) C]fluoroform is described, based on CoF(3) -mediated fluorination of cyclotron-produced [(11) C]methane. …
210 results