1,2-Benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-N-(2-pyridyl)- 1,1-dioxide (Piroxicam)

Arai, T.; Nishimura, Y.; Sasaki, M.; Fujita, H.; Matsuo, I.; Sakuragi, H.; Tokumaru, K.
Bull. Chem. Soc. Jpn. 64(7): 2169-73 (1991)

Sensitizer: 1,2-Benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-N-(2-pyridyl)- 1,1-dioxide (Piroxicam)
Solvent: C6H6
Oxygen concentration: air

Quantum yield of formation < 0.02

Experimental method: pulsed laser photolysis
Data type: luminescence intensity at end-of-pulse or under steady-state conditions

Reference sensitizer = BP; rel. to phiDelta(ref. sens.) = 0.29; lambdaexc = 308 nm. No emission detected.

Western, A.; Van Camp, J.R.; Bensasson, R.; Land, E.J.; Kochevar, I.E.
Photochem. Photobiol. 46(4): 469-75 (1987)

Sensitizer: 1,2-Benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-N-(2-pyridyl)- 1,1-dioxide (Piroxicam)
Solvent: C6H6
Oxygen concentration: aira

Quantum yield of formation <=0.01

Experimental method: pulsed laser photolysis
Data type: luminescence intensity at end-of-pulse or under steady-state conditions

Reference sensitizer = Ac; rel. to phiDelta(ref. sens.) = 0.73; lambdaexc = 355 nm.

Western, A.; Van Camp, J.R.; Bensasson, R.; Land, E.J.; Kochevar, I.E.
Photochem. Photobiol. 46(4): 469-75 (1987)

Sensitizer: 1,2-Benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-N-(2-pyridyl)- 1,1-dioxide (Piroxicam)
Solvent: D2O
Oxygen concentration: aira

Quantum yield of formation <=0.002

Experimental method: pulsed laser photolysis
Data type: luminescence intensity at end-of-pulse or under steady-state conditions

Reference sensitizer = H2TMpyP4+; rel. to phiDelta(ref. sens.) = 0.74; lambdaexc = 265, 355 nm.

a Oxygen concentration not given; assumed to be air saturated.
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