Efficient tin-mediated synthesis of lysophospholipid conjugates of a TLR7/8-active imidazoquinoline
作者:Sandra C. Mwakwari、Laura S. Bess、Hélène G. Bazin、David A. Johnson
DOI:10.1016/j.tetlet.2016.03.110
日期:2016.5
The chemical synthesis of lysophospholipids often involves multiple synthetic and chromatographic steps due to the incorporation of the fatty acyl group onto the glycerol scaffold early in the synthesis. We report herein a new protocol for the lysophosphatidylation of alcohols and its application to the synthesis of lysophospholipid conjugates of TLR7/8-active imidazoquinoline 3. This new procedure
[EN] IMIDAZOQUINOLINE DERIVATIVES AND THEIR USE IN THERAPY<br/>[FR] DÉRIVÉS D'IMIDAZOQUINOLINE ET LEUR UTILISATION EN THÉRAPIE
申请人:GLAXOSMITHKLINE BIOLOGICALS SA
公开号:WO2018046460A1
公开(公告)日:2018-03-15
This invention relates inter alia to novel imidazoquinoline derivatives and their use in therapy, particularly as vaccine adjuvants. The imidazoquinoline derivatives are of formula (I):
Phospholipidation of TLR7/8-active imidazoquinolines using a tandem phosphoramidite method
作者:Hélène G. Bazin、Laura S. Bess、Mark T. Livesay、Sandra C. Mwakwari、David A. Johnson
DOI:10.1016/j.tetlet.2016.03.091
日期:2016.5
1-imidazoquinolinylalkanols. The resulting phosphite can be purified or directly oxidized with t-butyl hydroperoxide. The cyanoethyl protecting group is then removed with triethylamine and the phospholipidated imidazoquinoline products isolated in good yield and purity by simple filtration.
开发了一种高产且可扩展的亚磷酰胺工艺,用于 TLR7/8 活性咪唑并喹啉的磷脂化。该方法涉及1,2-二酰基-或二烷基-sn-甘油或3-氯甾醇与2-氰基乙基N , N , N ', N'-四异丙基亚磷二酰胺在1H-四唑存在下反应,然后用所得的N , N'-二异丙基亚磷酰胺脂质与 1-咪唑并喹啉基链烷醇原位反应。所得亚磷酸酯可以纯化或直接用叔丁基过氧化氢氧化。然后用三乙胺除去氰乙基保护基团,并通过简单的过滤以良好的产率和纯度分离磷脂化的咪唑喹啉产物。
[EN] PHOSPHOLIPIDATION OF IMIDAZOQUINOLINES AND OXOADENINES<br/>[FR] PHOSPHOLIPIDATION D'IMIDAZOQUINOLINES ET D'OXOADÉNINES
申请人:GLAXOSMITHKLINE BIOLOGICALS SA
公开号:WO2017102654A1
公开(公告)日:2017-06-22
The present invention relates to a process for phospholipidation of imidazoquinolines and oxoadenines. More particularly, the present invention relates to a high-yielding and scalable procedure for the phospholipidation of imidazoquinolines and oxoadenines which obviates the need to isolate unstable phosphoramidite intermediates. This process may be used for the phospholipidation of toll-like receptor 7 (TLR7) - active and toll-like receptor (TLR8) -active imidazoquinolines and oxoadenines.
[EN] PEGYLATED IMIDAZOQUINOLINES AS TLR7 AND TLR8 AGONISTS<br/>[FR] IMIDAZOQUINOLÉINES PÉGYLÉES À UTILISER EN TANT QU'AGONISTES DE TLR7 ET TLR8
申请人:GLAXOSMITHKLINE BIOLOGICALS SA
公开号:WO2017102652A1
公开(公告)日:2017-06-22
The present invention provides novel phospholipidated imidazoquinolines of formula (I) as TLR7 and TLR8 agonists, pharmaceutical compositions, therapeutic uses and processes for preparing the same.