1-Bromo-3-(1',1'-dimethylalkyl)-1-deoxy-Δ(8)-tetrahydrocannabinols: New selective ligands for the cannabinoid CB(2) receptor.

1-Bromo-3-(1',1'-dimethylalkyl)-1-deoxy-Δ(8)-tetrahydrocannabinols: New selective ligands for the cannabinoid CB(2) receptor.
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DOI:
10.1016/j.bmc.2010.09.061
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发表时间:
2010-11-15
影响因子:
3.5
通讯作者:
Martin BR
Martin BR
中科院分区:
医学3区
文献类型:
--
作者:
Huffman JW;Hepburn SA;Lyutenko N;Thompson AL;Wiley JL;Selley DE;Martin BR

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Δ8-Tetrahydrocannabinol (26), 3-(1′,1′-dimethylbutyl)-(12), 3-(1′,1′-dimethylpentyl)-(13), 3-(1′,1′-dimethylhexyl)-(14) and 3-(1′,1′-dimethylheptyl)-Δ8-tetrahydrocannabinol (15) have been converted into the corresponding 1-bromo-1-deoxy-Δ8-tetrahydrocannabinols (25, 8–11). This was accomplished using a protocol developed in our laboratory in which the trifluoromethanesulfonate of a phenol undergoes palladium mediated coupling with pinacolborane. Reaction of this dioxaborolane with aqueous-methanolic copper (II) bromide provides the aryl bromide. The affinities of these bromo cannabinoids for the cannabinoid CB1 and CB2 receptors were determined. All of these compounds showed selectivity for the CB2 receptor and one of them, 1-bromo-1-deoxy-3-(1′,1′-dimethylhexyl)-Δ8-tetrahydrocannabinol (10), exhibits 52-fold selectivity for this receptor with good (28 nM) affinity.
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