From Wikipedia, the free encyclopedia
MRK-016
Names
Preferred IUPAC name
3-tert -Butyl-7-(5-methyl-1,2-oxazol-3-yl)-2-[(1H -1,2,4-triazol-5-yl)methoxy]pyrazolo[1,5-d ][1,2,4]triazine
Identifiers
ChemSpider
UNII
InChI=1S/C17H20N8O2/c1-10-6-11(23-27-10)15-21-19-7-12-14(17(2,3)4)16(22-25(12)15)26-8-13-18-9-20-24(13)5/h6-7,9H,8H2,1-5H3
Key: QYSYOGCIDRANAR-UHFFFAOYSA-N
CN1N=CN=C1COC1=NN2C(C=NN=C2C2=NOC(C)=C2)=C1C(C)(C)C
Properties
C 17 H 20 N 8 O 2
Molar mass
368.401 g·mol−1
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
Chemical compound
MRK-016 is a selective α5 subunit-containing
GABAA
negative allosteric modulator ,
[1] that has
nootropic properties. It has been found to produce rapid,
ketamine -like
antidepressant effects in
animal models of
depression .
[2]
See also
References
^ Atack JR, Maubach KA, Wafford KA, O'Connor D, Rodrigues AD, Evans DC, et al. (November 2009). "In vitro and in vivo properties of 3-tert-butyl-7-(5-methylisoxazol-3-yl)-2-(1-methyl-1H-1,2,4-triazol-5-ylmethoxy)-pyrazolo[1,5-d]-[1,2,4]triazine (MRK-016), a GABAA receptor alpha5 subtype-selective inverse agonist". The Journal of Pharmacology and Experimental Therapeutics . 331 (2): 470–84.
doi :
10.1124/jpet.109.157636 .
PMID
19704033 .
S2CID
688293 .
^ Fischell J, Van Dyke AM, Kvarta MD, LeGates TA, Thompson SM (October 2015).
"Rapid Antidepressant Action and Restoration of Excitatory Synaptic Strength After Chronic Stress by Negative Modulators of Alpha5-Containing GABAA Receptors" . Neuropsychopharmacology . 40 (11): 2499–509.
doi :
10.1038/npp.2015.112 .
PMC
4569955 .
PMID
25900119 .
Ionotropic
GABAA Tooltip γ-Aminobutyric acid A receptor
Positive modulators (abridged; see
here for a full list):
α-EMTBL
Alcohols (e.g.,
drinking alcohol ,
2M2B )
Anabolic steroids
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 ,
THDOC )
Niacin
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 )
Negative modulators:
1,3M1B
3M2B
11-Ketoprogesterone
17-Phenylandrostenol
α3IA
α5IA (LS-193,268)
β-CCB
β-CCE
β-CCM
β-CCP
β-EMGBL
Anabolic steroids
Amiloride
Anisatin
β-Lactams (e.g.,
penicillins ,
cephalosporins ,
carbapenems )
Basmisanil
Bemegride
Bicyclic phosphates (
TBPS ,
TBPO ,
IPTBO )
BIDN
Bilobalide
Bupropion
CHEB
Chlorophenylsilatrane
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
Golexanolone
Iomazenil (123 I)
IPTBO
Isopregnanolone (sepranolone)
L-655,708
Laudanosine
Lindane
MaxiPost
Morphine
Morphine-3-glucuronide
MRK-016
Naloxone
Naltrexone
Nicardipine
Nonsteroidal antiandrogens (e.g.,
apalutamide ,
bicalutamide ,
enzalutamide ,
flutamide ,
nilutamide )
Oenanthotoxin
Pentylenetetrazol (pentetrazol)
Phenylsilatrane
Picrotoxin (i.e.,
picrotin ,
picrotoxinin and
dihydropicrotoxinin )
Pregnenolone sulfate
Propybicyphat
PWZ-029
Radequinil
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
GABAA -ρ Tooltip γ-Aminobutyric acid A-rho receptor
Metabotropic
GABAB Tooltip γ-Aminobutyric acid B receptor