Name: Tetrabutylammonium acetate
Brand: ALDRICH

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Linear Formula:

(CH₃CH₂CH₂CH₂)₄N(OCOCH₃)

CAS Number:

Molecular Weight:

301.51

Beilstein:

3599376

EC Number:

MDL number:

UNSPSC 코드:

12352116

PubChem Substance ID:

NACRES:

NA.22

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97%

95-98 °C (lit.)

CC([O-])=O.CCCC[N+](CCCC)(CCCC)CCCC

1S/C16H36N.C2H4O2/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;1-2(3)4/h5-16H2,1-4H3;1H3,(H,3,4)/q+1;/p-1

MCZDHTKJGDCTAE-UHFFFAOYSA-M

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Tetrabutylammonium acetate (TBAA) is a phase transfer catalyst (PTC).

Tetrabutylammonium acetate can be used:

To catalyze the alkynylation of carbonyl compounds with trimethylsilylacetylenes providing good yields of propargylic alcohols.
Along with tetrabutylammonium bromide (TBAB) as a molten reaction medium in the synthesis of 4-aryl-2-quinolones.
As a promoter in the regioselective direct arylation of azoles (1-methylpyrazole, oxazole, and thiazole) with aryl bromides in presence of palladium acetate catalyst.
As an ionic liquid to dissolve cellulose in the presence of DMSO co-solvent.
As an activator in the synthesis of disubstituted alkynes through copper-free Sonogashira coupling reaction.