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Beilstein J. Org. Chem. 2014, 10, 722–731, doi:10.3762/bjoc.10.66
Graphical Abstract
Scheme 1: Synthesis of (trifluoromethyl)phosphinic acid (1) and ethyl and isopropyl esters 2–4. Reagents and ...
Scheme 2: Three-component Kabachnik–Fields reaction of CF3(H)P(O)(OiPr) (2) with formaldehyde and dibenzylami...
Scheme 3: Three-component synthesis of CF3 containing α-aminophosphinic acids 14a,b. Reagents and conditions:...
Scheme 4: Interaction of the acid 1 with tert-butyl benzylidenecarbamate (21). Reagents and conditions: i) an...
Scheme 5: Interaction of the acids 1 and 6 with ethyl 2-[(tert-butoxycarbonyl)imino]acetate (22). Reagents an...
Scheme 6: Transformation of the ester 24 into the appropriate free acid 25. Reagents and conditions: i) two f...
Scheme 7: Reaction of the acids (1) and (6) with methyl 2-imino-3-methylbutanoate (26). Reagents and conditio...
Scheme 8: Interaction of the acid 1 with ethyl 2-(tert-butoxycarbonylamino)acrylate (29). Reagents and condit...
Scheme 9: Interaction of a mixture of the esters 3 and 4 with 2-acetamidoacrylic acid (33). Reagents and cond...
Scheme 10: Interaction of a mixture of the acid 1 with diethyl acetaminomethylenemalonate (38). Reagents and c...