Electronic Supplementary Information
Selective recognition and discrimination of H2PO4 and F based on a
cleft-shaped anion receptor incorporating bisamide and bispyrrole
groups
Yu-hui Zhou, Peng-cheng Zheng and Xiao-ping Bao*
Figure S1 The selectivity receptor 1 for F in the presence of other anions
Figure S2 The selectivity receptor 1 for H2PO4 in the presence of other anions
Figure S3 The Absorbance at 354 nm of receptor 1 in the presence of both F and
H2PO4 as well as three tested anions of H2PO4 , F and AcO
Figure S4 UV-vis spectra of receptor 1 in DMSO upon addition of increasing amount
of H2PO4
Figure S5 UV-vis spectra of receptor 1 in DMSO upon addition of increasing amount
of AcO
1
1.0
_
1+F
_
_
1+F +AcO
-
1+F +Cl
_
_
_
1+F +Br
_
_
1+F +I
_
1+F +NO3
_
_
_
1+F +HSO4
Absorbance at 354 nm
0.8
0.6
0.4
0.2
0.0
Figure S1 Absorbance at 354 nm of receptor 1 (2.70  105 M) upon addition of 10 equiv. of F in
the presence of an equimolar amount of other anions in dry CH3CN.
2
Absorbance at 316 nm
0.8
1+H2PO4
_
_
_
_
1+H2PO4 +AcO 1+H2PO4_+Cl_ 1+H2PO4 +Br
_
_
1+H2PO4 +I
_
_
_
1+H2PO4 +NO3 1+H PO _+HSO _
2
4
4
0.6
0.4
0.2
0.0
Figure S2 Absorbance at 316 nm of receptor 1 (2.70  105 M) upon addition of 10 equiv. of
H2PO4 in the presence of an equimolar amount of other anions in dry CH3CN.
3
Absorbance at 354 nm
1.0
only 1
_
1+F +H2PO4
_
_
_
1+F +H2PO4 +AcO
_
0.8
0.6
0.4
0.2
0.0
Figure S3 Absorbance at 354 nm of receptor 1 (2.7105 M) in the presence of both F and H2PO4
as well as three tested anions of H2PO4 , F and AcO (10 equiv. for every kind of the added
anion).
4
1.0
Absorbance
0.8
0.6
0.4
0.2
0.0
250
275
300
325
350
375
400
425
450
Wavelength/nm
Figure S4 UV-vis spectra of receptor 1 (2.0  105 M) in DMSO upon addition of increasing
amount of H2PO4 (0~52 equiv.).
5
1.0
Absorbance
0.8
0.6
0.4
0.2
0.0
250
275
300
325
350
375
400
425
450
Wavelength/nm
Figure S5 UV-vis spectra of receptor 1 (2.0  105 M) in DMSO upon addition of increasing
amount of AcO (0~56 equiv.).
6