N-(2-Acetylphenyl)formamide

Pileni, M.P.; Santus, R.; Land, E.J.
265 nm Laser flash photolysis of some ortho-substituted anilides and related N-formylkynurenine derivatives.
Photochem. Photobiol. 27: 671-81 (1978)

N-(2-Acetylphenyl)formamide
Solvent : EtOH

wave length (nm) at maximum, extinction coefficient = 450, 9000

Triplet state population method: Pulsed laser photolysis
Extinction coefficient estimation method: Constant oscillator strength
Lifetime = 10 micro sec.
Comments: *Oxygen quenching (2.2 x 109 L mol–1 s–1); epsilon relative to N-(2-acetylphenyl)formamide in hexane (epsilon450 = 8100 L mol–1 cm–1) assuming oscillator strength independent of solvent

Pileni, M.P.
Electronic, photophysical, and photochemical properties of ortho-substituted anilides.
Bull. Soc. Chim. Fr. (11-12 Pt. 2): 545-51 (1980)

N-(2-Acetylphenyl)formamide
Solvent : EtOH

wave length at maximum = 450 nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 10 micro sec.
Comments: *Oxygen quenching (2.2 x 109 L mol–1 s–1)

Pileni, M.P.; Santus, R.; Land, E.J.
265 nm Laser flash photolysis of some ortho-substituted anilides and related N-formylkynurenine derivatives.
Photochem. Photobiol. 27: 671-81 (1978)

N-(2-Acetylphenyl)formamide
Solvent : Hexane

wave length (nm) at maximum, extinction coefficient = 450, 6500

Triplet state population method: Pulsed laser photolysis
Extinction coefficient estimation method: Total depletion

Pileni, M.P.; Santus, R.; Land, E.J.
265 nm Laser flash photolysis of some ortho-substituted anilides and related N-formylkynurenine derivatives.
Photochem. Photobiol. 27: 671-81 (1978)

N-(2-Acetylphenyl)formamide
Solvent : Hexane

wave length (nm) at maximum, extinction coefficient = 450, 8100

Triplet state population method: Pulse radiolysis (coupled with energy transfer)
Extinction coefficient estimation method: Relative actinometry
Lifetime = 7.7 micro sec.
Oscillator strength = 0.18.
Comments: *Triplet ET from benzene; epsilon relative to naphthalene in hexane (epsilonmax = 24500 L mol–1 cm–1) assuming same ET rate from benzene

Pileni, M.P.
Electronic, photophysical, and photochemical properties of ortho-substituted anilides.
Bull. Soc. Chim. Fr. (11-12 Pt. 2): 545-51 (1980)

N-(2-Acetylphenyl)formamide
Solvent : Hexane

wave length (nm) at maximum, extinction coefficient = 450, 8000a

Triplet state population method: Pulse radiolysis (coupled with energy transfer)
Extinction coefficient estimation method: Relative actinometry
Lifetime = 7.7 micro sec.
Comments: *Triplet ET from benzene; epsilon relative to naphthalene in hexane (epsilonmax = unstated)

Pileni, M.P.; Santus, R.; Land, E.J.
265 nm Laser flash photolysis of some ortho-substituted anilides and related N-formylkynurenine derivatives.
Photochem. Photobiol. 27: 671-81 (1978)

N-(2-Acetylphenyl)formamide
Solvent : Water, pH = 6.5

wave length at maximum = 450 nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 7 micro sec.

Pileni, M.P.; Santus, R.; Land, E.J.
265 nm Laser flash photolysis of some ortho-substituted anilides and related N-formylkynurenine derivatives.
Photochem. Photobiol. 27: 671-81 (1978)

N-(2-Acetylphenyl)formamide
Solvent : Water, pH = 7.5

wave length at maximum = 450 nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 4.1 micro sec.
Comments: *Oxygen quenching (3 x 109 L mol–1 s–1); ionic strength 0.01 mol L–1

Pileni, M.P.
Electronic, photophysical, and photochemical properties of ortho-substituted anilides.
Bull. Soc. Chim. Fr. (11-12 Pt. 2): 545-51 (1980)

N-(2-Acetylphenyl)formamide
Solvent : Water, pH = 7.5

wave length at maximum = 450 nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 4.1 micro sec.
Comments: *Oxygen quenching (3 x 109 L mol–1 s–1); ionic strength 0.01 mol L–1

Pileni, M.P.
Electronic, photophysical, and photochemical properties of ortho-substituted anilides.
Bull. Soc. Chim. Fr. (11-12 Pt. 2): 545-51 (1980)

N-(2-Acetylphenyl)formamide
Solvent : Water, pH = 6.5

wave length at maximum = 450 nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 7 micro sec.

* Evidence supporting the assignment of the transient triplet state.
a Data have been obtained by computer-assisted digitization from spectrum in cited reference.
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