77-17-8

Usage

InChI:InChI=1/C14H19NO2/c1-2-17-13(16)14(8-10-15-11-9-14)12-6-4-3-5-7-12/h3-7,15H,2,8-11H2,1H3

Upstream product

• 59084-08-1 1-benzyl-4-phenyl-piperidine-4-carboxylic acid ethyl ester 
• 101730-55-6 1-benzenesulfonyl-4-phenyl-piperidine-4-carboxylic acid 
• 57-42-1 pethidine 
• 64-17-5 ethanol 
• 84255-02-7 N-tosyl-4-phenylpiperidine-4-carboxylic acid 
• 167262-68-2 N-(t-butyloxycarbonyl)-4-phenylpiperidine-4-carboxylic acid 
• 61886-17-7 1-benzyl-4-phenyl-piperidine-4-carboxylic acid 
• 40481-13-8 4-phenyl-4-cyanopiperidine 
• 50-13-5 meperidine hydrochloride 
• 3627-45-0 4-phenyl-piperidine-4-carboxylic acid 
• 75-03-6 ethyl iodide 
• 56243-25-5 1-benzyl-4-cyano-4-phenylpiperidine 
• 101793-30-0 1-benzenesulfonyl-4-phenyl-piperidine-4-carbonitrile 
• 140-29-4 phenylacetonitrile 

Downstream Products

• 61532-49-8 1-(2-hydroxyethyl)-4-phenyl-4-piperidinecarboxylic acid ethyl ester 
• 469-81-8 1-(2-morpholino-ethyl)-4-phenyl-piperidine-4-carboxylic acid ethyl ester 
• 101782-44-9 1-acetoacetyl-4-phenyl-piperidine-4-carboxylic acid ethyl ester 
• 546-32-7 4-Phenyl-1-(2-hydroxy-2-phenyl-ethyl)-4-ethoxycarbonyl-piperidin 
• 115322-09-3 1-(4-Ethoxycarbonyl-4-phenyl-piperidino)-3-p-tolyloxy-propanol-(2) 
• 114998-90-2 1-[3-(2-chloro-phenoxy)-2-hydroxy-propyl]-4-phenyl-piperidine-4-carboxylic acid ethyl ester 
• 57-42-1 pethidine 
• 28018-10-2 N-Ethylnormeperidine 
• 101888-82-8 1-[2-(2-hydroxy-ethylmercapto)-ethyl]-4-phenyl-piperidine-4-carboxylic acid ethyl ester 
• 3542-92-5 1-(5-ethoxy-pentyl)-4-phenyl-piperidine-4-carboxylic acid ethyl ester 
• 102377-22-0 1-(β,β'-diethoxy-isopropyl)-4-phenyl-piperidine-4-carboxylic acid ethyl ester 
• 3542-94-7 1-(2-methoxy-ethyl)-4-phenyl-piperidine-4-carboxylic acid ethyl ester 
• 108479-11-4 1-(2-methylsulfanyl-ethyl)-4-phenyl-piperidine-4-carboxylic acid ethyl ester 
• 3542-89-0 1-(2-ethoxy-ethyl)-4-phenyl-piperidine-4-carboxylic acid ethyl ester 

Relevant academic research and scientific papers

Impact of cytochrome P450 variation on meperidine N-demethylation to the neurotoxic metabolite normeperidine

1. Meperidine is an opioid analgesic that undergoes N-demethylation to form the neurotoxic metabolite normeperidine. Previous studies indicate that meperidine N-demethylation is catalyzed by cytochrome P450 2B6 (CYP2B6), CYP3A4, and CYP2C19. 2. The purpose of this study was to examine the relative P450 contributions to meperidine N-demethylation and to evaluate the effect of CYP2C19 polymorphism on normeperidine generation. Experiments were performed using recombinant P450 enzymes, selective chemical inhibitors, enzyme kinetic assays, and correlation analysis with individual CYP2C19-genotyped human liver microsomes. 3. The catalytic efficiency (kcat/Km) for meperidine N-demethylation was similar between recombinant CYP2B6 and CYP2C19, but markedly lower by CYP3A4. 4. In CYP2C19-genotyped human liver microsomes, normeperidine formation was significantly correlated with CYP2C19 activity (S-mephenytoin 4′-hydroxylation). 5. CYP2C19 inhibitor (+)-N-3-benzylnirvanol and CYP3A inhibitor ketoconazole significantly reduced microsomal normeperidine generation by an individual donor with high CYP2C19 activity, whereas donors with lower CYP2C19 activity were sensitive to inhibition by ketoconazole but not benzylnirvanol. 6. These findings demonstrate that the relative CYP3A4, CYP2B6, and CYP2C19 involvement in meperidine N-demethylation depends on the enzyme activities in individual human liver microsomal samples. CYP2C19 is likely an important contributor to normeperidine generation in individuals with high CYP2C19 activity, but additional factors influence inter-individual metabolite accumulation.

Immunoassays for meperidine and metabolites

The invention provides novel haptens and immunogens for the preparation of novel monoclonal antibodies, which detect the synthetic opioid meperidine and its active metabolite normeperidine. These antibodies enable methods and kits, which are useful in an immunoassay for therapeutic drug monitoring (TDM) and in extending the window of detection for cases of abuse and drug-facilitated sexual assault (DFSA).

IMMUNOASSAYS FOR MEPERIDINE AND METABOLITES

The invention provides novel haptens and immunogens for the preparation of novel monoclonal antibodies, which detect the synthetic opioid meperidine and its active metabolite normeperidine. These antibodies enable methods and kits, which are useful in an immunoassay for therapeutic drug monitoring (TDM) and in extending the window of detection for cases of abuse and drug-facilitated sexual assault (DFSA).

Immunoassays for meperidine and metabolites

Haptens and immunogens for the preparation of novel monoclonal antibodies, which detect the synthetic opioid meperidine and its active metabolite normeperidine. These antibodies enable methods and kits, which are useful in an immunoassay for therapeutic drug monitoring (TDM) and in extending the window of detection for cases of abuse and drug-facilitated sexual assault (DFSA).

Structure-activity relationship exploration of Kv1.3 blockers based on diphenoxylate

Diphenoxylate, a well-known opioid agonist and anti-diarrhoeal agent, was recently found to block Kv1.3 potassium channels, which have been proposed as potential therapeutic targets for a range of autoimmune diseases. The molecular basis for this Kv1.3 blockade was assessed by the selective removal of functional groups from the structure of diphenoxylate as well as a number of other structural variations. Removal of the nitrile functional group and replacement of the C-4 piperidinyl substituents resulted in several compounds with submicromolar IC50 values.

PHARMACOLOGICAL CHAPERONES FOR TREATING OBESITY

The invention relates to methods of enhancing normal melanocortin-4 receptor (MC4R) activity, and to enhancing activity of an MC4R having a mutation which affects protein folding and/or processing of the MC4R. The invention provides a method of treating an individual having a condition in which increased activity of an MC4R at the cell surface would be beneficial, for example in obesity, by administering an effective amount of a pharmacological chaperone for the MC4R. The invention provides MC4R pharmacological chaperones which enhance the activity of MC4R. The invention further provides a method of screening to identify pharmacological chaperones which enhance folding of an MC4R in the endoplasmic reticulum (ER), in order to enhance the activity of the MC4R at the cell surface.

Pyrrolopyrimidine A2b selective antagonist compounds, their synthesis and use

The subject invention provides compounds having the structure: 1 wherein,R1 is a substituted or unsubstituted alkyl, wherein the substituent is hydroxyl, dihydroxy, carboxyl, —C(═O)NRaRb, —NRaRb, —NRaC(═O)NRaRb, —NRaC(═O)ORa, —OC(═O)NRaRb, or —NHC(═O)Ra;R2 is hydrogen or a substituted or unsubstituted alkyl, wherein the substituent is hydroxyl, dihydroxy, carboxyl, —C(═O)NRaRb, —NRaRb, —NRaC(═O)NRaRb, —NRaC(═O)ORa, —OC(═O)NRaRb, or —NHC(═O)Ra, orR1, R2 and N together form a substituted piperazine, substituted azetidine ring, or a pyrrolidine ring substituted with —(CH2)2OH or —CH2C(═O)OH;R3 is a substituted or unsubstituted phenyl or a 5-6 membered heteroaryl ring, wherein the substituent is halogen, hydroxyl, cyano, (C1-C15)alkyl, (C1-C15)alkoxy, or —NRaRb;R4 is hydrogen or substituted or unsubstituted (C1-C15)alkyl;R5 is —(CH2)mOR6, —CHNOR7, —C(═O)NR8R9, —(CH2)mC(═O)OR10, —(CH2)kC(═O)NR11R12;wherein R6 is a substituted or unsubstituted (C1-C30)alkyl, (C3-C10)cycloalkyl, or an aryl, heteroaryl or 4-8 membered heterocyclic ring;R7 is hydrogen, or a substituted or unsubstituted (C1-C30)alkyl, (C1-C30)alkylaryl;R8 and R9 are each independently hydrogen, or a substituted or unsubstituted (C1-C30)alkyl, (C1-C30)alkylaryl, (C1-C30)alkylamino, (C1-C30)alkoxy, or a saturated or unsaturated, monocyclic or bicyclic, carbocyclic or heterocyclic ring, orR8, N, and R9 together form a substituted or unsubstituted 4-8 membered heterocyclic ring;R10 is hydrogen or a substituted or unsubstituted (C1-C30)alkyl, (C3-C10)cycloalkyl, or an aryl, heteroaryl or heterocyclic ring;R11, N and R12 together form a 4-8 membered heterocyclic ring;Ra and Rb are each independently hydrogen or alkyl;m is 0, 1, 2 or 3; andk is 1, 2 or 3,or a specific enantiomer thereof, or a specific tautomer thereof, or a pharmaceutically acceptable salt thereof, and a method for treating a disease associated with the A2b adenosine receptor in a subject in need of such treatment comprising administering to the subject a therapeutically effective amount of the compounds of the invention.

Design and pharmacology of N-[(3R)-1,2,3,4-tetrahydroisoquinolinium-3-ylcarbonyl]-(1R)-1- (4-chlorobenzyl)-2-[4-cyclohexyl-4-(1H-1,2,4-triazol-1-ylmethyl) piperidin-1-yl]-2-oxoethylamine (1), a potent, selective, melanocortin subtype-4 receptor agonist

Synthetic and natural peptides that act as nonselective melanocortin receptor agonists have been found to be anorexigenic and to stimulate erectile activity. We report the design and development of 1, a potent, selective (1184-fold vs MC3R, 350-fold vs MC5R), small-molecule agonist of the MC4 receptor. Pharmacological testing confirms the food intake lowering effects of MC4R agonism and suggests another role for the receptor in the stimulation of erectile activity.

5-(heterocyclic alkyl)-6-aryl-dihydropyrimidines

This invention is directed to dihydropyrimidine compounds of the following formula: which are selective antagonists for human α1Creceptors. This invention is also related to uses of these compounds for lowering intraocular pressure, inhibiting cholesterol synthesis, relaxing lower urinary tract tissue, the treatment of benign prostatic hyperplasia, impotence, cardiac arrhythmia and for the treatment of any disease where antagonism of the α1Creceptor may be useful. The invention further provides a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.

5-(heterocyclic alkyl)-6-aryl-dihydropyrimidines

This invention is directed to dihydropyrimidine compounds of the following formula: which are selective antagonists for human α1Areceptors. This invention is also related to uses of these compounds for lowering intraocular pressure, inhibiting cholesterol synthesis, relaxing lower urinary tract tissue, the treatment of benign prostatic hyperplasia, impotency, cardiac arrhythmia and for the treatment of any disease where antagonism of the α1Areceptor may be useful. The invention further provides a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.