[formula omitted] Selective re-binding of saccharide-imprinted [60]fullerene-bisadducts based on a saccharide-boronic acid interaction: Development of a molecular imprinting technique useful in a homogeneous system
The memory effect of the d-threitol- or l-threitol-imprinted [60]fullerene-bisadduct [ ( f C)- 4 or ( f A)- 4 ], which was obtained from the double addition reaction between [60]fullerene and d-threitol- or l-threitol-boronic acid 1:2 complex ( d- 1 or l- 1), was discussed. In the competitive comple...
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Published in | Tetrahedron Vol. 55; no. 13; pp. 3883 - 3892 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
Elsevier Ltd
01.03.1999
|
Online Access | Get full text |
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Summary: | The memory effect of the
d-threitol- or
l-threitol-imprinted [60]fullerene-bisadduct [
(
f
C)-
4
or
(
f
A)-
4
], which was obtained from the double addition reaction between [60]fullerene and
d-threitol- or
l-threitol-boronic acid 1:2 complex (
d-
1 or
l-
1), was discussed. In the competitive complexation with
d-threitol and
l-threitol,
(
f
C)-
4
or
(
f
A)-
4
diastereoselectively rebound with the original template,
d-threitol or
l-threitol, respectively, affording the corresponding 1:1 complex [
(
f
C)-
3D
or
(
f
A)-
3L
]. The selectivities increased with lowering the complexation temperature: under the optimum conditions 48% diastereomeric excess was achieved.
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ISSN: | 0040-4020 1464-5416 |
DOI: | 10.1016/S0040-4020(99)00117-9 |