A COOPERATIVE EFFECT IN SODIUM-CATION COMPLEXATION BY A MACROCYCLIC BIS(9,10)ANTHRACENO-CROWN ETHER IN THE GROUND-STATE AND IN THE EXCITED-STATE

被引:18
作者
MARQUIS, D
DESVERGNE, JP
机构
[1] Laboratoire de Photochimie Organique, CNRS UA 348, Université de Bordeaux I
关键词
D O I
10.1016/0009-2614(94)01134-6
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The bisanthraceno-crown ether displays a dual fluorescence consisting of a 'monomer' and excimer emission. Its structural flexibility is demonstrated by the temperature dependence of the total fluorescence emission. The compound forms a 1:1 complex with K+ in methanol (beta approximate to 10 M(-1) at +25 degrees C), whereas a 1:2 complex is observed with Na+ in both methanol and acetonitrile with a positive cooperative effect. At +25 degrees C in acetonitrile the overall binding constant beta deduced from UV measurements (beta approximate to 3.7 x 10(4) M(-2)) is lower than that obtained from fluorescence data (beta approximate to 10(5) M(-2)), indicating an enhancement of the complexation ability in the excited singlet state.
引用
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页码:131 / 136
页数:6
相关论文
共 21 条
[1]  
[Anonymous], 1994, INSTRUM SCI TECHNOL, DOI DOI 10.1080/10739149408001201
[2]  
[Anonymous], 1987, BINDING CONSTANTS ME
[3]   FROM ANTHRACENE PHOTO-DIMERIZATION TO JAW PHOTOCHROMIC MATERIALS AND PHOTOCROWNS [J].
BOUASLAURENT, H ;
CASTELLAN, A ;
DESVERGNE, JP .
PURE AND APPLIED CHEMISTRY, 1980, 52 (12) :2633-2648
[4]   CATION-DIRECTED PHOTOCHEMISTRY OF AN ANTHRACENO-CROWN ETHER [J].
BOUASLAURENT, H ;
CASTELLAN, A ;
DANEY, M ;
DESVERGNE, JP ;
GUINAND, G ;
MARSAU, P ;
RIFFAUD, MH .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1986, 108 (02) :315-317
[5]   ION-RESPONSIVE FLUORESCENT COMPOUNDS .4. EFFECT OF CATION BINDING ON THE PHOTOPHYSICAL PROPERTIES OF A COUMARIN LINKED TO MONOAZA-CROWN AND DIAZA-CROWN ETHERS [J].
BOURSON, J ;
POUGET, J ;
VALEUR, B .
JOURNAL OF PHYSICAL CHEMISTRY, 1993, 97 (17) :4552-4557
[6]  
BOURSON J, 1988, J PHYS CHEM-US, V92, P6233
[7]   FLUORESCENCE OFF-ON SIGNALING UPON LINEAR RECOGNITION AND BINDING OF ALPHA,OMEGA-ALKANEDIYLDIAMMONIUM IONS BY 9,10-BIS((1-AZA-4,7,10,13,16-PENTAOXACYCLOOCTADECYL)METHYL)ANTHRACENE [J].
DE SILVA, AP ;
SANDANAYAKE, KRAS .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 1990, 29 (10) :1173-1175
[8]   FLUORESCENT SIGNALING CROWN ETHERS - SWITCHING ON OF FLUORESCENCE BY ALKALI-METAL ION RECOGNITION AND BINDING INSITU [J].
DE SILVA, AP ;
DESILVA, SA .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1986, (23) :1709-1710
[9]   ANTHRACENO-CRYPTANDS - A NEW CLASS OF CATION-COMPLEXING MACROBICYCLIC FLUOROPHORES [J].
FAGES, F ;
DESVERGNE, JP ;
BOUASLAURENT, H ;
MARSAU, P ;
LEHN, JM ;
KOTZYBAHIBERT, F ;
ALBRECHTGARY, AM ;
ALJOUBBEH, M .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1989, 111 (23) :8672-8680
[10]   EXCIMER INTERMEDIATE IN THE UNSYMMETRICAL PHOTO-DIMERIZATION OF THE ANTHRACENE RING-SYSTEM [J].
FERGUSON, J ;
CASTELLAN, A ;
DESVERGNE, JP ;
BOUASLAURENT, H .
CHEMICAL PHYSICS LETTERS, 1981, 78 (03) :446-450