Water-Solubilization of P(V) and Sb(V) Porphyrins and Their Photobiological Application

Table 1

Characterization of water-soluble porphyrins (1–7).

Type	Number	M	, R	MW^a	/10^4 M^−1cm^−1 (/nm)^b	(/μs)^c	/μM^d	/mM^d	[P]ad/mM	/μM^−1h^−1	Reference
Type A	2a	Sb		862.4	1.95 (551)	—	41	0.10	11.4	2.6	[21]
	2b	Sb		876.5	1.86 (550)	0.65	25	0.13	33.2	5.2	[21]
	2c	Sb		946.5	1.16 (550)	—	149	1.09	54.2	78.2	[21]
	2d	Sb		1002.7	1.59 (553)	0.53	139	2.10	49.8	45.3	[21]
	2e	Sb		1030.4	1.32 (553)	—	156	2.21	22.5	109.4	[21]
	2f	Sb		1058.4	1.24 (553)	—	66	2.40	nd	no	[21]
	2g	Sb		1114.9	1.42 (554)	—	—	1.92	—	—	[21]
Type E	3a	P		801.3	0.97 (559)	—	6090	10.4	7.3	—	[27]
	3b	P		1005.5	1.35 (560)	—	245	17.4	nd	5.2	[21]
	3c	P		917.4	1.40 (560)	0.62 (1.5)	140	13.9	22.6	2.5	[21]
	3d	P		945.5	1.44 (560)	0.69 (1.5)	169	13.0	25.0	9.7	[21]
	3e	P		1001.6	1.44 (560)	0.73 (1.6)	293	5.38	81.6	21.9	[21]
	3f	P		1145.8	1.39 (559)	—	415	14.4	123	—	[21]
	3g	P		1057.7	1.37 (561)	—	244	2.07	161	188.7	[21]
	3h	P		969.6	1.01 (560)	—	242	1.11	171	174.6	[21]
	3i	P		881.5	1.41 (560)	—	178	0.02	—	—	[23]
	3j	P		1314.1	1.42 (561)	—	440	14.5	nd	—	[21]
	3k	P		1226.0	1.39 (560)	—	242	0.26	nd	—	[21]
Type P	4a	P		1341.7	1.22 (560)		284	63.6	nd	2.1	[24]
	4b	P		1285.5	1.29 (560)	—	245	112	nd	4.5	[24]
	4c	P		1229.5	1.40 (560)		2	>120	nd	7.2	[24]
	4d	P		1281.6	1.45 (560)	—	149	5.84	nd	no	[24]
	4e	P		1225.5	1.18 (560)	—	500	6.10	nd	no	[24]
	4f	P		1235.4	1.38 (560)	—	0	3.35	9.2	no	[24]
Type G	5a	P		1373.8	1.35 (559)		>25000	131	—	—	—^e
	5b	P		1037.5	1.30 (559)		6830	>150	—	—	—^e
Others	1b	Sb		848.4	2.14 (550)	0.48	—	0.08	—	—	[2]
	6a	P		862.8	1.31 (560)	—	—	5.0	—	—	—^e
	6b	P		834.8	1.19 (560)	—	—	60.0	—	—	—^e
	6c	P		1183.2	1.23 (561)	—	—	80.0	—	—	—^e
	6d	P		1127.1	0.96 (561)	—	—	45.0	—	—	—^e
	7a	P	R = CH3	741.2	1.02 (560)	—	8000	0.31	—	—	[28]
	7b	P	R = CH2CH3	769.3		—			—	—	[28]
	7c	P	R = CH2CF3	877.2		—			—	—	[28]

Molecular weight.
^bMolar absorption coefficient () of Q-band in an aqueous solution. The values in parenthesis were the absorption maxima of the Q-band.
^cQuantum yields () for the formation of ¹O₂ in an H₂O solution. The values in parenthesis were lifetime () in s of triplet state of 3c-3d. The values in bracket were fluorescence lifetime () in ns from excited singlet state.
and were solubility in water and 1,4-dioxane, respectively.
^eUnpublished results.