A solid-phase approach to the synthesis of N-1-alkyl analogues of cyclic inosine-diphosphate-ribose (cIDPR)

被引:27
|
作者
Oliviero, Giorgia [1 ]
D'Errico, Stefano [1 ]
Borbone, Nicola [1 ]
Amato, Jussara [1 ]
Piccialli, Vincenzo [2 ]
Varra, Michela [1 ]
Piccialli, Gennaro [1 ]
Mayol, Luciano [1 ]
机构
[1] Univ Naples Federico II, Dipartimento Chim Sostanze Nat, I-80131 Naples, Italy
[2] Univ Naples Federico II, Dipartimento Chim Organ & Biochim, I-80126 Naples, Italy
关键词
CALCIUM-RELEASE ACTIVITY; ADP-RIBOSE; CARBOCYCLIC-RIBOSE; CHEMICAL-SYNTHESIS; SUBSTITUTION; DERIVATIVES; MIMICS; N-1;
D O I
10.1016/j.tet.2010.01.013
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
We report here an efficient solid-phase synthesis of N-1-alkyl-substituted analogues of cyclic inosine-diphosphate-ribose (cIDPR), a mimic of cyclic ADP-ribose (cADPR). Our synthetic strategy makes use of a polystyrene support to which inosine was bonded through a 2',3'-acetal linkage. Insertion of a ea-hydroxy-polymethylene chain of variable length on N-1, followed by conversion into N-1-alkylinosine-bisphosphate derivatives and cyclization, allowed to obtain analogues of cIDPR of various ring size. The cyclization step was carried out both in solid-phase and in solution by pyrophosphate bond formation. The effect of the N-1-polymethylene chain length on the cyclization yields as well as the reaction conditions, which led to the solid-phase pyrophosphate bond formation, were thoroughly investigated. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1931 / 1936
页数:6
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