Microwave-assisted synthesis of 3-aminobenzo[b]-thiophene scaffolds for the preparation of kinase inhibitors

被引:20
作者
Bagley, Mark C. [1 ]
Dwyer, Jessica E. [1 ]
Molina, Maria D. Beltran [2 ]
Rand, Alexander W. [1 ]
Rand, Hayley L. [1 ]
Tomkinson, Nicholas C. O. [2 ]
机构
[1] Univ Sussex, Sch Life Sci, Dept Chem, Brighton BN1 9QJ, E Sussex, England
[2] Univ Strathclyde, Dept Pure & Appl Chem, WestCHEM, Glasgow G1 1XL, Lanark, Scotland
基金
英国工程与自然科学研究理事会;
关键词
BENZOTHIOPHENE INHIBITORS; BIOLOGICAL EVALUATION; THIONYL CHLORIDE; DERIVATIVES; P38; AGENTS; SERIES; MK2; FIBROBLASTS; SELECTIVITY;
D O I
10.1039/c5ob00819k
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Microwave irradiation of 2-halobenzonitriles and methyl thioglycolate in the presence of triethylamine in DMSO at 130 degrees C provides rapid access to 3-aminobenzo[b]thiophenes in 58-96% yield. This transformation has been applied in the synthesis of the thieno[2,3-b] pyridine core motif of LIMK1 inhibitors, the benzo[4,5]thieno[3,2-e][1,4]diazepin-5(2H)-one scaffold of MK2 inhibitors and a benzo[4,5] thieno[3,2-d]-pyrimidin-4-one inhibitor of the PIM kinases.
引用
收藏
页码:6814 / 6824
页数:11
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