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Acetic trifluoro-, anhydride

The original procedure for the trifluoroacetylation of amino acids used trifluoroacetic anhydride [Acetic acid, trifluoro-, anhydride].4 This reagent, although inexpensive and readily available, has certain disadvantages it is a highly reactive compound and thus has caused undesired reactions such as the cleavage of amide or peptide bonds,5 unsymmetrical anhydrides are formed between the newly formed A-trifluoroacetylamino acids and the by-product trifluoroacetic acid, and excess trifluoroacetic anhydride has caused racemization of asymmetric centers. [Pg.125]

Acetic acid, methoxy- [625-45-6], 70 Acetic acid, phenoxy- [122-59-8], 68 Acetic acid, trifluoro-, anhydride [407-25-0], 125... [Pg.131]

Trifluoroacetic acid (76-05-1), 66, 111, 115, 136 Trifluoroacetic anhydride Acetic acid, trifluoro-, anhydride ... [Pg.133]

Tnfluoroacetic anhydride Acetic acid, trifluoro-, anhydride ... [Pg.264]

TRIFLUORO-l-PROPENYL)-2,2-DIMETHYL-,CYANO(3-PHENOXYPHENYL)METHYL ESTER, (1-a(S ),3-a(Z))-(+-)- see LAS200 CYCLOPROPANECARBOXYUC ACID, 3-(2,2-DICHLOROETHENYL)-2,2-DIMETHYL-,CYANO(3-PHENOXYPHENYL) METHYL ESTER, MIXED WITH ACETIC ACID ANHYDRIDE, 5-((2-(2-BUTOXYETHOXY)ETHOXY)METHYL)-6-PROPYL-... [Pg.1601]

Trifkjoroacetic anhydride Acetic add, trifluoro-, anhydride (8.9) (407-25-0) Triphenylphosphine Phosphine, triphenyl- (8,9) (603-35-0)... [Pg.291]

Mono(2,6-dimethoxybenzoyl)tartaric acid Butanedioic acid, 2-[(2,6-dimethoxybenzoyl)oxy-3-hydroxy-, [R-(R, R )]- (12) (116212-44-3) 2,6-Dimethoxybenzoic acid Benzoic acid, 2,6-dimethoxy- (8,9) (1466-76-8) Trifluoroacetic anhydride Acetic acid, trifluoro-, anhydride (8,9) (407-25-0) Borane-Tetrahydrofuran Furan, tetrahydro-, compd. with borane (1 1) (8,9) (14044-65-6)... [Pg.94]

See other pages where Acetic trifluoro-, anhydride is mentioned: [Pg.392]    [Pg.255]    [Pg.1050]    [Pg.496]    [Pg.406]   
See also in sourсe #XX -- [ Pg.302 , Pg.361 ]

See also in sourсe #XX -- [ Pg.79 , Pg.80 ]

See also in sourсe #XX -- [ Pg.122 ]



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