5-羟甲基托特罗定(PNU 200577, 5-HMT, 5-HM)是一种托特罗定的代谢产物,具有新的蕈毒碱受体拮抗作用,主要用于治疗尿失禁。其与受体结合亲和力常数Kb为0.84 nM。
靶点Target | Value |
---|---|
mAChR | 0.84 nM (Kb) |
5-羟甲基托特罗定是托特罗定的主要药理活性代谢物。它能竞争性抑制卡巴胆碱诱导的豚鼠离体膀胱条收缩,且具有浓度依赖性。其拮抗蕈毒碱受体的pA2值为9.1。5-羟甲基托特罗定在豚鼠膀胱、腮腺、心脏及大脑皮层匀浆中均表现出与托特罗定相似的药理特性。静脉注射该化合物能有效抑制由膀胱容量引起的尿道收缩,且呈剂量依赖性。
体内研究5-羟甲基托特罗定在麻醉猫模型中的效果显著优于电刺激诱导的唾液分泌。它能够更有效地抑制乙酰胆碱诱导的膀胱收缩,其中ID50分别为15和40 nmol/kg。此外,在膀胱中其作用是腮腺的三倍。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
5-羟甲基托特罗定 | 2-(3-(diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenol | 200801-70-3 | C22H31NO2 | 341.494 |
托特罗定 | (R)-(+)-tolterodine | 124937-51-5 | C22H31NO | 325.494 |
—— | (R)-2-(3-amino-1-phenylpropyl)-4-(hydroxymethyl)phenol | 1203453-91-1 | C16H19NO2 | 257.332 |
托特罗定酸 | (R)-3-(3-N,N'-diisopropylamino-1-phenyl-propyl)-4-hydroxy-benzoic acid | 194482-44-5 | C22H29NO3 | 355.477 |
外消旋5-羧基托特罗定 | 3-(3-N,N-diisopropylamino-1-phenyl-propyl)-4-hydroxy-benzoic acid | 1076199-77-3 | C22H29NO3 | 355.477 |
3-[(1R)-3-[二(1-甲基乙基)氨基]-1-苯基丙基]-4-羟基-苯甲醛 | (R)-N,N-diisopropyl-3-(5-formyl-2-hydroxyphenyl)-3-phenylpropanamine | 214601-12-4 | C22H29NO2 | 339.478 |
3-[3-[双(1-甲基乙基)氨基]-1-苯基丙基]-4-羟基苯甲醛 | 3-[3-(N,N-diisopropylamino)-1-phenylpropyl]-4-hydroxybenzaldehyde | 214601-15-7 | C22H29NO2 | 339.478 |
—— | (R)-(-)-3-(3-diisopropylamino-1-phenylpropyl)-4-hydroxybenzoic acid methyl ester | —— | C23H31NO3 | 369.504 |
N,N-二异丙基-3-[(5-甲氧基羰基)-2-羟基)苯基]-3-苯基丙胺 | N,N-diisopropyl-3-(2-hydroxy-5-methyloxycarbonylphenyl)-3-phenylpropanamine | 214601-16-8 | C23H31NO3 | 369.504 |
—— | 4-(hydroxymethyl)-2-((R)-1-phenyl-3-((R)-1-phenylethylamino)propyl)phenol | 1390644-44-6 | C24H27NO2 | 361.484 |
3-[(1R)-3-[二(异丙基)氨基]-1-苯基丙基]-4-苄氧基苯甲醇 | {4-(benzyloxy)-3-[(1R)-3-(dipropan-2-ylamino)-1-phenylpropyl]phenyl}methanol | 156755-37-2 | C29H37NO2 | 431.618 |
—— | (+)-N,N-diisopropyl-3-(2-benzyloxy-5-hydroxymethylphenyl)-3-phenylpropylamine | 156755-36-1 | C29H37NO2 | 431.618 |
—— | N,N-diisopropyl-3-(2-benzyloxy-5-methylphenyl)-3-phenylpropylamine | 389068-22-8 | C29H37NO | 415.619 |
托特罗定 | (R)-3-(2-(benzyloxy)-5-methylphenyl)-N,N-diisopropyl-3-phenylpropan-1-amine | 848768-06-9 | C29H37NO | 415.619 |
—— | (+)-N,N-Diisopropyl-3-(2-benzyloxy-5-carboxyphenyl)-3-phenylpropylamine | —— | C29H35NO3 | 445.602 |
3-[(1R)-3-[双(1-甲基乙基)氨基]-1-苯基丙基]-4-(苯基甲氧基)苯甲酸 | 4-(benzyloxy)-3-[(1R)-3-(dipropan-2-ylamino)-1-phenylpropyl]benzoic acid | 754159-68-7 | C29H35NO3 | 445.602 |
3-[(1R)-3-[双(1-甲基乙基)氨基]-1-苯基丙基]-4-(苯基甲氧基)苯甲酸甲酯 | methyl 4-(benzyloxy)-3-[(1R)-3-(dipropan-2-ylamino)-1-phenylpropyl]benzoate | 156755-35-0 | C30H37NO3 | 459.629 |
4-(苄氧基)-3-(3-(二异丙基氨基)-1-苯基丙基)苯甲酸甲酯 | (+)-N,N-Diisopropyl-3-(2-benzyloxy-5-carbomethoxyphenyl)-3-phenylpropylamine | 286930-05-0 | C30H37NO3 | 459.629 |
—— | N,N-diisopropyl-3-(2-benzyloxy-5-methyl-phenyl)-3-phenyl-propane amide | 1373556-77-4 | C29H35NO2 | 429.602 |
—— | 4-hydroxy-3-((R)-3-oxo-1-phenyl-3-((R)-1-phenylethylamino)propyl)benzoic acid | 1390644-43-5 | C24H23NO4 | 389.451 |
—— | (R)-N,N-diisopropyl-3-phenyl-3-(5-formyl-2-triisopropylsilyloxyphenyl)propyl-1-amine | 1000377-73-0 | C31H49NO2Si | 495.821 |
—— | (R)-6-hydroxymethyl-4-phenylchroman-2-(R)-ol | 960373-33-5 | C16H16O3 | 256.301 |
6-(羟基甲基)-4-苯基苯并二氢吡喃-2-醇 | 2-hydroxy-4-phenyl-3,4-dihydro-2H-chromen-6-yl-methanol | 959624-24-9 | C16H16O3 | 256.301 |
(2-(4-甲基哌嗪-1-基)-4-苯基苯并二氢吡喃-6-基)甲醇 | [2-(4-methylpiperazin-1-yl)-4-phenyl-chroman-6-yl]-methanol | 959624-43-2 | C21H26N2O2 | 338.45 |
—— | 3-(2-benzyloxy-5-methylphenyl)-3-phenylpropanoic acid | —— | C23H22O3 | 346.426 |
(gR)-5-溴-N,N-二(1-甲基乙基)-g-苯基-2-(苯基甲氧基)-苯丙胺 | R-(-)-[3-(2-benzyloxy-5-bromophenyl)-3-phenylpropyl]diisopropylamine | 950773-38-3 | C28H34BrNO | 480.488 |
3-(2-(苄氧基)-5-溴苯基)-N,N-二异丙基-3-苯基丙烷-1-胺 | (+/-)-[3-(2-benzyloxy-5-bromophenyl)-3-phenylpropyl]-diisopropylamine | 156755-27-0 | C28H34BrNO | 480.488 |
—— | methyl 3-(2-benzyloxy-5-methylphenyl)-3-phenylpropionate | 854306-67-5 | C24H24O3 | 360.453 |
6-羧基-4-苯基-3,4-二氢香豆素 | (R,S)-4-phenyl-2-chromanone-6-carboxylic acid | 356782-33-7 | C16H12O4 | 268.269 |
6-甲基-4-苯基色满-2-酮 | 6-methyl-4-phenyl-3,4-dihydrocoumarin | 40546-94-9 | C16H14O2 | 238.286 |
2-羟基-4-苯基-6-甲氧羰基-2,3-二氢苯并吡喃 | (4R,4S)-2-(R,S)-hydroxy-4-phenylchromane-6-carboxylic acid methyl ester | 380636-44-2 | C17H16O4 | 284.312 |
—— | R-(-)-N,N-diisopropyl-3-(2-benzyloxy-5-bromophenyl)-3-phenylpropionamide | 1429299-08-0 | C28H32BrNO2 | 494.472 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | (R)-2-(3-N,N-diisopropylamino-1-phenylpropyl)-4-trityloxymethylphenol | 1539221-44-7 | C41H45NO2 | 583.814 |
弗斯特罗定 | fesoterodine | 286930-02-7 | C26H37NO3 | 411.585 |
—— | 2-((R)-3-(diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyi)phenyl-3-bromo-2-methyl propanoate | 1390644-52-6 | C26H36BrNO3 | 490.481 |
—— | (R)-2-(3-(diisopropylamino)-1-phenylpropyl)-4-(hydroxylmethyl)phenyl methacrylate | 1390644-37-7 | C26H35NO3 | 409.569 |
—— | (R)-2-(3-(diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenyl-2-bromo-2-methyl propanoate | 1390644-50-4 | C26H36BrNO3 | 490.481 |
—— | [3-[(1R)-3-[di(propan-2-yl)amino]-1-phenylpropyl]-4-(2-methylpropanoyloxy)phenyl]methyl 2-methylpropanoate | 1208313-13-6 | C30H43NO4 | 481.676 |
—— | (R)-2-(3-N,N-diisopropylamino-1-phenylpropyl)-4-trityloxymethylphenoxyisobutyrate | 1539220-58-0 | C45H51NO3 | 653.905 |
Gaining insight into the pharmacology of ligand engagement with G-protein coupled receptors (GPCRs) under biologically relevant conditions is vital to both drug discovery and basic research. NanoLuc-based bioluminescence resonance energy transfer (NanoBRET) monitoring competitive binding between fluorescent tracers and unmodified test compounds has emerged as a robust and sensitive method to quantify ligand engagement with specific GPCRs genetically fused to NanoLuc luciferase or the luminogenic HiBiT peptide. However, development of fluorescent tracers is often challenging and remains the principal bottleneck for this approach. One way to alleviate the burden of developing a specific tracer for each receptor is using promiscuous tracers, which is made possible by the intrinsic specificity of BRET. Here, we devised an integrated tracer discovery workflow that couples machine learning-guided in silico screening for scaffolds displaying promiscuous binding to GPCRs with a blend of synthetic strategies to rapidly generate multiple tracer candidates. Subsequently, these candidates were evaluated for binding in a NanoBRET ligand-engagement screen across a library of HiBiT-tagged GPCRs. Employing this workflow, we generated several promiscuous fluorescent tracers that can effectively engage multiple GPCRs, demonstrating the efficiency of this approach. We believe that this workflow has the potential to accelerate discovery of NanoBRET fluorescent tracers for GPCRs and other target classes.