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4-Amino-3-cyanobenzoic acid

4-Amino-3-cyanobenzoic acid structure

4-Amino-3-cyanobenzoic acid 

structure
  • CAS No:

    74192-47-5

  • Formula:

    C8H6N2O2

  • Chemical Name:

    4-Amino-3-cyanobenzoic acid

  • Synonyms:

    Benzoic acid,4-amino-3-cyano-;4-Amino-3-cyanobenzoic acid

  • Categories:

    Chemical Reagents  >  Organic Reagents

4-Amino-3-cyanobenzoic acid Basic Attributes

162.147

162.15

DTXSID40434446

Characteristics

87.1

1

1.417 g/cm3

404°C at 760 mmHg

198.137ºC

4-Amino-3-cyanobenzoic acid Use and Manufacturing

4-Amino-3-cyano-benzoic acid methyl ester (3.2 g, 10 mmol) in tetrahydrofurane/ water (110 ml, 1:1) was added lithium hydroxide hydrate (2.3 g, 30 mmol), the reaction mixture was stirred at room temperature for 20 hours and added hydro chloric acid (1 M) to pH = 3. From the mixture was tetrahydrofurane distilled of and the title compound precipitated out of solution.4-Amino-3-cyano-benzoic acid (0.97 g, 6 mmol), benzotriazol-l-yloxytris-(pyrrolidino)-phosphonium hexafluorophosphate (3.3 g, 6.3 mmol) and diisopropylethylamine (6 ml, 12 mmol) in anhydrous dimethyl formamide (25 ml) was added dimethylamine (6 ml of a 2 M in tetrahydrofuran), the reaction mixture was stirred at room temperature overnight. Some of the dimethyl formamide was evaporated off, the crude product was dissolved in ethyl acetate (25 ml), washed with potassium hydrogen sulphate (twice with 0.5 M (25 ml)), sodium hydroxide (twice with 1 M (25 ml)), water (10 ml) and brine (25 ml). The organic layer was dried and evaporated, the title compound was isolated by column chromatography. Yield 0.39 g.

Computed Properties

Molecular Weight:162.15
XLogP3:1
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:1
Exact Mass:162.042927438
Monoisotopic Mass:162.042927438
Topological Polar Surface Area:87.1
Heavy Atom Count:12
Complexity:231
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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