N-(2-Acetylphenyl)-N-methylformamide

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)-N-methylformamide
Solvent : 1-PrOH

wave length at maximum = 445 nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 0.3 micro sec.

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)-N-methylformamide
Solvent : 1-PrOH

wave length at maximum = 445 nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 0.3 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)-N-methylformamide
Solvent : EtOH

wave length (nm) at maximum, extinction coefficient = 445, <1100

Triplet state population method: Pulsed laser photolysis
Extinction coefficient estimation method: Relative actinometry
Lifetime = 0.6 micro sec.
Comments: epsilon relative to naphthalene in hexane (PhiT = 0.8, epsilonmax = 24500 L mol–1 cm–1) taking PhiT = 0.6 for N-(2-Acetylphenyl)-N-methylformamide in EtOH

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)-N-methylformamide
Solvent : EtOH

wave length at maximum = 445 nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 0.6 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)-N-methylformamide
Solvent : Hexane

wave length (nm) at maximum, extinction coefficient = 420, 850

Triplet state population method: Pulse radiolysis (coupled with energy transfer)
Extinction coefficient estimation method: Relative actinometry
Lifetime = 0.2 micro sec.
Oscillator strength = 0.02.
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.; 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)-N-methylformamide
Solvent : Hexane

wave length at maximum = 420 nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 0.2 micro sec.

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)-N-methylformamide
Solvent : Hexane

wave length at maximum = 420 nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 0.2 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)-N-methylformamide
Solvent : Water, pH = 7.5

wave length at maximum = 445 nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 8.8 micro sec.
Comments: *Oxygen quenching (5.2 x 108 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)-N-methylformamide
Solvent : Water, pH = 7.5

wave length at maximum = 445 nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 8.8 micro sec.
Comments: *Oxygen quenching (5.2 x 108 L mol–1 s–1); ionic strength 0.01 mol L–1

* Evidence supporting the assignment of the transient triplet state.
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