首页> 美国卫生研究院文献>other >Probes for Narcotic Receptor Mediated Phenomena. 37. Synthesis and Opioid Binding Affinity of the Final Pair of Oxide-Bridged Phenylmorphans the ortho- and para-b Isomers and Their N-Phenethyl Analogues and the Synthesis of the N-Phenethyl Analogues of the ortho- and para-d Isomers
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Probes for Narcotic Receptor Mediated Phenomena. 37. Synthesis and Opioid Binding Affinity of the Final Pair of Oxide-Bridged Phenylmorphans the ortho- and para-b Isomers and Their N-Phenethyl Analogues and the Synthesis of the N-Phenethyl Analogues of the ortho- and para-d Isomers

机译:麻醉受体介导现象的探针。 37.氧化物桥连的苯吗啡酮邻-和对-b异构体及其N-苯乙基类似物的最终对的合成和阿片类药物的亲和力以及邻-和对-d异构体的N-苯乙基类似物的合成

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摘要

In the isomeric series of 12 racemic topologically rigid N-methyl analogues of oxide-bridged phenylmorphans, all but two of the racemates, the ortho- and para-b-oxide-bridged phenylmorphans >20 and >12, have remained to be synthesized. The b-isomers were very difficult to synthesize because of the highly strained 5,6-trans-fused ring junction that had to be formed. Our successful strategy required functionalization of the position para (or ortho) to a fluorine atom on the aromatic ring using an electron-withdrawing nitro group to activate that fluorine. The racemic N-phenethyl analogues >24 and >16 were moderately potent κ-receptor antagonists in the [35S]GTPγS assay. We synthesized the N-phenethyl-substituted oxide-bridged phenylmorphans in the ortho- and para-d oxide-bridged phenylmorphan series (>51 and >52) which had not been previously evaluated using contemporary receptor binding assays to see whether they also have higher affinity for opioid receptors than their N-methyl relatives >46 and >47.
机译:在氧化桥联苯吗啡的12个外消旋拓扑刚性N-甲基类似物的异构体系列中,除两个外消旋物外,所有邻消旋体都是邻-和顺-b-氧化物桥联的苯吗啡 > 20 < / strong>和> 12 ,还有待综合。由于必须形成高度应变的5,6-反式-稠合的环结,因此很难合成b-异构体。我们成功的策略需要使用吸电子硝基将芳族环上的对位(或邻位)官能化为氟原子。在[ 35 S]GTPγS分析中,外消旋的N-苯乙基类似物> 24 和> 16 是中等有效的κ受体拮抗剂。我们合成了邻位和对位氧化物桥连的苯吗啡 系列(> 51 和> 52 )(之前尚未使用当代受体结合测定法进行评估),以查看它们是否对阿片样物质受体也比其N-甲基亲戚> 46 和> 47 具有更高的亲和力。

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