2-(4-Methoxyphenyl)furan Singlet oxygen

Clennan, E.L.; Mehrsheikh-Mohammadi, M.E.
J. Am. Chem. Soc. 106, 7112-7118 (1984)

Reaction: 2-(4-Methoxyphenyl)furan + ¹O₂^* ® products and/or physical quenching
Solvent: CH₂Cl₂

k = 3.7 × 10⁷(L mol^-1 s^-1)

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator

Photosensitizer = Indicator = Rubrene; used solvent k_d = 1 × 10⁴ s^-1; k for indicator = 3.3 × 10⁷ L/(mol·s).

Young, R.H.; Martin, R.L.; Chinh, N.; Mallon, C.; Kayser, R.H.
Can. J. Chem. 50, 932-938 (1972)

Reaction: 2-(4-Methoxyphenyl)furan + ¹O₂^* ® products
Reference Reaction: 2,5-Diphenylfuran + ¹O₂^* ®
Solvent: 1-BuOH

k/k_reference = 5 × 10^-1
b = 1.9 × 10^-3(mol L^-1), b_ref = 9.5 × 10^-4(mol L^-1)

Experimental method: Photolysis
Analytical method: vis-UV emission
Data type: Relative value measured by steady state method

Photosensitizer = Rose Bengal or Methylene Blue; Meas. k/k_ref = 0.5; rel. to k_ref in MeOH.

Young, R.H.; Martin, R.L.; Chinh, N.; Mallon, C.; Kayser, R.H.
Can. J. Chem. 50, 932-938 (1972)

Reaction: 2-(4-Methoxyphenyl)furan + ¹O₂^* ® products
Reference Reaction: 2,5-Diphenylfuran + ¹O₂^* ®
Solvent: H₂O

k/k_reference = 1.6
b = 5.9 × 10^-4(mol L^-1), b_ref = 9.5 × 10^-4(mol L^-1)

Experimental method: Photolysis
Analytical method: vis-UV emission
Data type: Relative value measured by steady state method

Photosensitizer = Methylene Blue or Rose Bengal; Meas. k/k_ref = 1.6; rel. to k_ref in MeOH.

Young, R.H.; Martin, R.L.; Chinh, N.; Mallon, C.; Kayser, R.H.
Can. J. Chem. 50, 932-938 (1972)

Reaction: 2-(4-Methoxyphenyl)furan + ¹O₂^* ® products
Reference Reaction: 2,5-Diphenylfuran + ¹O₂^* ®
Solvent: Ethylene glycol

k/k_reference = 2.8
b = 3.4 × 10^-4(mol L^-1), b_ref = 9.5 × 10^-4(mol L^-1)

Experimental method: Photolysis
Analytical method: vis-UV emission
Data type: Relative value measured by steady state method

Photosensitizer = Methylene Blue or Rose Bengal; Meas. k/k_ref = 2.8; rel. to k_ref in MeOH.

Young, R.H.; Martin, R.L.; Chinh, N.; Mallon, C.; Kayser, R.H.
Can. J. Chem. 50, 932-938 (1972)

Reaction: 2-(4-Methoxyphenyl)furan + ¹O₂^* ® products
Reference Reaction: 2,5-Diphenylfuran + ¹O₂^* ®
Solvent: MeOH

k/k_reference = 9.2 × 10^-1

Experimental method: Photolysis
Analytical method: vis-UV emission
Data type: Relative value measured by steady state method

Photosensitizer = Methylene Blue or Rose Bengal; Meas. k/k_ref = 0.92.