Isonipecotic acid

Names

IUPAC name

4-Piperidinecarboxylic acid

Identifiers

498-94-2^Y

Jmol-3D images

C1CNCCC1C(=O)O

Properties

Chemical formula

C₆H₁₁NO₂

Molar mass

129.16 g/mol

Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)

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Infobox references

Isonipecotic acid is a heterocyclic compound which acts as a GABA_A receptor partial agonist.^[1]

It consists of a piperidine ring with a carboxylic acid moiety in the iso position (and as such is also known as "4-piperidinecarboxylic acid").

References

↑ Mortensen M, Kristiansen U, Ebert B, Frølund B, Krogsgaard-Larsen P, Smart TG (June 2004). "Activation of single heteromeric GABA(A) receptor ion channels by full and partial agonists". The Journal of Physiology 557 (Pt 2): 389–413. doi:10.1113/jphysiol.2003.054734. PMC 1665090. PMID 14990676.

Hypnotics/sedatives (N05C)

GABA_A

Alcohols	2M2B Chloralodol Ethanol Alcohol Ethchlorvynol Methylpentynol Trichloroethanol

Barbiturates	Allobarbital Amobarbital Aprobarbital Barbital Butabarbital Butobarbital Cyclobarbital Ethallobarbital Heptabarb Hexobarbital Mephobarbital Methohexital Pentobarbital Phenallymal Phenobarbital Propylbarbital Proxibarbal Reposal Secobarbital Talbutal Thiamylal Thiopental Vinbarbital Vinylbital

Benzodiazepines	Brotizolam Cinolazepam Climazolam Doxefazepam Estazolam Flunitrazepam Flurazepam Flutoprazepam Haloxazolam Loprazolam Lormetazepam Midazolam Nimetazepam Nitrazepam Quazepam Temazepam Triazolam

Carbamates	Carisoprodol Emylcamate Ethinamate Hexapropymate Meprobamate Methocarbamol Phenprobamate Procymate Tybamate

Neuroactive steroids	Acebrochol Allopregnanolone Alphadolone Alphaxolone Eltanolone Hydroxydione Minaxolone Progesterone

Nonbenzodiazepines	Eszopiclone Indiplon Lirequinil Necopidem Pazinaclone Saripidem Suproclone Suriclone Zaleplon Zolpidem Zopiclone

Phenols	Fospropofol Propofol

Piperidinediones	Glutethimide Methyprylon Pyrithyldione Piperidione

Quinazolinones	Afloqualone Cloroqualone Diproqualone Etaqualone Mebroqualone Mecloqualone Methaqualone Methylmethaqualone Nitromethaqualone

Volatiles/gases	Acetophenone Acetylglycinamide chloral hydrate Centalun Chloral hydrate Paraldehyde

Others	Bromide Lithium bromide Potassium bromide Sodium bromide Chloralose Clomethiazole Dichloralphenazone Etomidate Gaboxadol Loreclezole Metomidate Petrichloral Sulfonmethane Triclofos Valerenic acid Valerian

GABA_B

H₁

Antihistamines	Captodiame Cyproheptadine Diphenhydramine Doxylamine Hydroxyzine Methapyrilene Pheniramine Promethazine Propiomazine

Antidepressants	Tricyclic antidepressants Amitriptyline Doxepin Trimipramine, etc. Tetracyclic antidepressants Mianserin Mirtazapine, etc.

Antipsychotics	Typical antipsychotics Chlorpromazine Thioridazine, etc. Atypical antipsychotics Olanzapine Quetiapine Risperidone, etc.

α₂-Adrenergic

5-HT_2A

Antidepressants	Trazodone Tricyclic antidepressants Amitriptyline Doxepin Trimipramine, etc. Tetracyclic antidepressants Mianserin Mirtazapine, etc.

Antipsychotics	Typical antipsychotics Chlorpromazine Thioridazine, etc. Atypical antipsychotics Olanzapine Quetiapine Risperidone, etc.

Others	Niaprazine

Melatonin

Orexin

Others

Acecarbromal
Apronal
Bromisoval
Cannabidiol
- Cannabis
Carbromal
Diethylpropanediol
Embutramide
Evoxine
Fenadiazole
Gabapentin
Kavalactones
- Kava
Mephenoxalone
Metaglycodol
Niaprazine
Opioids
- Oxycodone
- Morphine
  - Opium), etc.
Passion flower
Phenaglycodol
Scopolamine
- Mandrake
UMB68
Valnoctamide

Index of psychology and psychiatry

Description	Mental processes

Disorders	Mental and behavioral ADHD OCD Tourette's Mood Developmental pervasive dyslexia and specific Substance-related alcohol Emotional and behavioral Symptoms and signs eponymous Evaluation and testing

Treatment	Psychotherapy CBT Drugs depression antipsychotics anxiety dementia hypnotics and sedatives psychostimulants, ADHD and nootropics

GABAergics

Receptor
(ligands)

GABA_A	Agonists: (+)-Catechin Bamaluzole Barbiturates (e.g., phenobarbital) DAVA Dihydromuscimol GABA Gabamide GABOB Gaboxadol (THIP) Homotaurine (tramiprosate, 3-APS) Ibotenic acid iso-THAZ iso-THIP Isoguvacine Isomuscimol Isonipecotic acid Kojic amine Lignans (e.g., honokiol) Monastrol Muscimol Neuroactive steroids (e.g., allopregnanolone) Org 20599 Picamilon P4S Progabide Propofol Quisqualamine SL-75102 TACA TAMP Terpenoids (e.g., borneol) Thiomuscimol Tolgabide ZAPA PAMs (abridged; see here for a full list): α-EMTBL Alcohols (e.g., ethanol) Avermectins (e.g., ivermectin) Barbiturates (e.g., phenobarbital) Benzodiazepines (e.g., diazepam) Bromide compounds (e.g., potassium bromide) Carbamates (e.g., meprobamate) Carbamazepine Chloralose Chlormezanone Clomethiazole Dihydroergolines (e.g., ergoloid (dihydroergotoxine)) Etazepine Etifoxine Fenamates (e.g., mefenamic acid) Flavonoids (e.g., apigenin, hispidulin) Fluoxetine Flupirtine Imidazoles (e.g., etomidate) Kava constituents (e.g., kavain) Lanthanum Loreclezole Monastrol Neuroactive steroids (e.g., allopregnanolone, cholesterol) Niacin Nicotinamide (niacinamide) Nonbenzodiazepines (e.g., β-carbolines (e.g., abecarnil), cyclopyrrolones (e.g., zopiclone), imidazopyridines (e.g., zolpidem), pyrazolopyrimidines (e.g., zaleplon)) Norfluoxetine Petrichloral Phenols (e.g., propofol) Phenytoin Piperidinediones (e.g., glutethimide) Propanidid Pyrazolopyridines (e.g., etazolate) Quinazolinones (e.g., methaqualone) Retigabine (ezogabine) ROD-188 Skullcap constituents (e.g., baicalin) Stiripentol Sulfonylalkanes (e.g., sulfonmethane (sulfonal)) Topiramate Valerian constituents (e.g., valerenic acid) Volatiles/gases (e.g., chloral hydrate, chloroform, diethyl ether, paraldehyde, sevoflurane) Antagonists: Bicuculline Coriamyrtin Dihydrosecurinine Gabazine (SR-95531) Hydrastine Hyenachin (mellitoxin) PHP-501 Pitrazepin Securinine Sinomenine SR-42641 SR-95103 Thiocolchicoside Tutin NAMs: 1,3M1B 3M2B 17-Phenylandrostenol α5IA (LS-193,268) β-CCB β-CCE β-CCM β-CCP β-EMGBL Amiloride Anisatin β-Lactams (e.g., penicillins, cephalosporins, carbapenems) Bemegride Bilobalide CHEB Cicutoxin Cloflubicyne Cyclothiazide DHEA DHEA-S Dieldrin (+)-DMBB DMCM DMPC EBOB Etbicyphat FG-7142 (ZK-31906) Fiproles (e.g., fipronil) Flavonoids (e.g., amentoflavone, oroxylin A) Flumazenil Fluoroquinolones (e.g., ciprofloxacin) Flurothyl Furosemide Iomazenil (¹²³I) Isopregnanolone (sepranolone) L-655,708 Laudanosine Leptazol Lindane MaxiPost Morphine Morphine-3-glucuronide MRK-016 Naloxone Naltrexone Nicardipine Oenanthotoxin Pentetrazol (metrazol) Phenylsilatrane Picrotoxin (i.e., picrotin and picrotoxinin) Pregnenolone sulfate Propybicyphat PWZ-029 Radequinil RG-1662 Ro 15-4513 Ro 19-4603 RO4882224 RO4938581 Sarmazenil SCS Suritozole TB-21007 TBOB TBPS TCS-1105 Terbequinil TETS Thujone U-93631 Zinc ZK-93426

GABA_A-ρ	Agonists: CACA CAMP Homohypotaurine GABA GABOB Ibotenic acid Isoguvacine Muscimol N⁴-Chloroacetylcytosine arabinoside Picamilon Progabide TACA TAMP Thiomuscimol Tolgabide PAMs: Lanthanides Antagonists: (S)-2-MeGABA (S)-4-ACPBPA (S)-4-ACPCA 2-MeTACA 3-APMPA 4-ACPAM 4-GBA cis-3-ACPBPA CGP-36742 (SGS-742) DAVA Gabazine (SR-95531) Gaboxadol (THIP) I4AA Isonipecotic acid Loreclezole P4MPA P4S SKF-97541 SR-95318 SR-95813 TPMPA trans-3-ACPBPA ZAPA NAMs: Bilobalide Picrotoxin (picrotin, picrotoxinin) ROD-188 Zinc

GABA_B	Agonists: 1,4-Butanediol Aceburic acid Arbaclofen Arbaclofen placarbil Baclofen GABA Gabamide GABOB GBL GHB GHBAL GHV GVL Lesogaberan Phenibut Picamilon Progabide Sodium oxybate SKF-97,541 SL 75102 Tolgabide PAMs: ADX71441 BHF-177 BHFF BSPP CGP-7930 CGP-13501 GS-39783 rac-BHFF Antagonists: 2-Hydroxysaclofen CGP-35348 CGP-46381 CGP-52432 CGP-54626 CGP-55845 CGP-64213 DAVA Homotaurine (tramiprosate, 3-APS) Phaclofen Saclofen SCH-50911 SKF-97541 NAMs: "Compound 14"

Transporter
(blockers)

GAT	4-Aminovaleric acid β-Alanine Arecaidine CI-966 DABA Deramciclane (EGIS-3886, EGYT-3886) EF-1502 Gabaculine Guvacine Ibotenic acid Muscimol Nipecotic acid NNC 05-2090 NO-711 Riluzole SKF-89976A SNAP-5114 TACA Tiagabine

VIAAT	β-Alanine Bafilomycin A1 Chicago sky blue 6B Evans blue GABA Glycine N-Butyric acid Nigericin Nipecotic acid Valinomycin Vigabatrin

Enzyme
(inhibitors)

GAD	3-Mercaptopropionic acid AAOA L-Allylglycine Semicarbazide

GABA-T	3-Hydrazinopropionic acid γ-Acetylenic-GABA AOAA EOS Gabaculine Isoniazid L-Cycloserine Phenelzine PEH Rosmarinic acid (lemon balm) Sodium valproate Valnoctamide Valproate pivoxil Valproate semisodium (divalproex sodium) Valproic acid Valpromide Vigabatrin

Others

Precursors: 1,4-Butanediol
GHB
GHBAL
Glutamate
Glutamine

Cofactors: Vitamin B₆

Others: GABA-T activators: 3-Methyl-GABA

See also: GHBergics • Glutamatergics • Glycinergics

Glycinergics

Receptor
(ligands)

GlyR

PAMs: Alcohols (e.g., brometone, chlorobutanol (chloretone), ethanol, tert-butanol (2M2P), tribromoethanol, trichloroethanol, trifluoroethanol)
Alkylbenzene sulfonate
Barbiturates (e.g., pentobarbital, sodium thiopental)
Chlormethiazole
D12-116
Dihydropyridines (e.g., nicardipine)
Etomidate
Ginseng constituents (e.g., ginsenosides (e.g., ginsenoside-Rf))
Glutamic acid (glutamate)
Ivermectin
Ketamine
Neuroactive steroids (e.g., alfaxolone, pregnenolone (eltanolone), pregnenolone acetate, minaxolone, Org 20599)
Nitrous oxide
Penicillin G
Propofol
Tamoxifen
Triclofos
Tropeines (e.g., atropine, bemesetron, cocaine, LY-278584, tropisetron, zatosetron)
Volatiles/gases (e.g., chloral hydrate, chloroform, desflurane, diethyl ether (ether), enflurane, halothane, isoflurane, methoxyflurane, sevoflurane, toluene, trichloroethane (methyl chloroform), trichloroethylene)
Xenon
Zinc

Antagonists: 2-Aminostrychnine
2-Nitrostrychnine
4-Phenyl-4-formyl-N-methylpiperidine
αEMBTL
Bicuculline
Brucine
Cacotheline
Caffeine
Colchicine
Colubrine
Cyanotriphenylborate
Dendrobine
Diaboline
Endocannabinoids (e.g., 2-AG, anandamide (AEA))
Gaboxadol (THIP)
Gelsemine
iso-THAZ
Isobutyric acid
Isonipecotic acid
Isostrychnine
Laudanosine
N-Methylbicuculline
N-Methylstrychnine
N,N-Dimethylmuscimol
Nipecotic acid
Pitrazepin
Pseudostrychnine
Quinolines (e.g., 4-hydroxyquinoline, 4-hydroxyquinoline-3-carboxylic acid, 5,7-CIQA, 7-CIQ, 7-TFQ, 7-TFQA)
RU-5135
Sinomenine
Strychnine
Thiocolchicoside
Tutin

NAMs: Amiloride
Benzodiazepines (e.g., bromazepam, clonazepam, diazepam, flunitrazepam, flurazepam)
Corymine
Cyanotriphenylborate
Daidzein
Dihydropyridines (e.g., nicardipine, nifedipine, nitrendipine)
Furosemide
Genistein
Ginkgo constituents (e.g., bilobalide, ginkgolides (e.g., ginkgolide A, ginkgolide B, ginkgolide C, ginkgolide J, ginkgolide M))
Imipramine
NBQX
Neuroactive steroids (e.g., 3α-androsterone sulfate, 3β-androsterone sulfate, deoxycorticosterone, DHEA sulfate, pregnenolone sulfate, progesterone)
Opioids (e.g., codeine, dextromethorphan, dextrorphan, levomethadone, levorphanol, morphine, oripavine, pethidine, thebaine)
Picrotoxin (i.e., picrotin and picrotoxinin)
PMBA
Riluzole
Tropeines (e.g., bemesetron, LY-278584, tropisetron, zatosetron)
Verapamil
Zinc

Transporter
(blockers)

GlyT1	ACPPB ALX-1393 ALX-5407 (NFPS) AMG-747 ASP2535 Bitopertin (RG1678/RO4917838) CP-802079 Ethanol Glycyldodecylamide GSK1018921 LY-2365109 Org 24598 Org 25935 (SCH-900435) PF-02545920 PF-03463275 PF-04958242 Sarcosine SSR-103,800 SSR-504,734

GlyT2	Amoxapine Ethanol NAGly Org 25543

Others

Precursors: 3-PG
GHB
L-Serine
L-Theonine

Cofactors: Vitamin B₆

See also: GABAergics • GHBergics • Glutamatergics