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{{Short description|Chemical compound}}
{{drugbox
{{cs1 config|name-list-style=vanc}}
{{Drugbox
| verifiedrevid = 443949789
| IUPAC_name = (2''S'',6''R'',11''R'')-3-(cyclopropylmethyl)-8-hydroxy-6,11-dimethyl-3,4,5,6-tetrahydro-2,6-methano-3-benzazocin-1(2''H'')-one
| image = Ketazocine structure.svg

<!--Clinical data-->
| tradename =
| pregnancy_category =
| legal_status =
| routes_of_administration = Oral

<!--Pharmacokinetic data-->
| bioavailability =
| metabolism =
| elimination_half-life =
| excretion =

<!--Identifiers-->
| CAS_number_Ref = {{cascite|correct|??}}
| CAS_number = 36292-69-0
| ATC_prefix = none
| ATC_suffix =
| PubChem = 3054741
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 2316328
| UNII_Ref = {{fdacite|correct|FDA}} | UNII_Ref = {{fdacite|correct|FDA}}
| UNII = 6IO4IG518S | UNII = 6IO4IG518S
| KEGG_Ref = {{keggcite|correct|kegg}}
| verifiedrevid = 437151797
| KEGG = D04649
| IUPAC_name = (2''S'',6''R'',11''R'')-3-(cyclopropylmethyl)-8-hydroxy-6,11-dimethyl-3,4,5,6-tetrahydro-2,6-methano-3-benzazocin-1(2''H'')-one

| image = Ketazocine.svg
<!--Chemical data-->
| InChI = 1/C18H23NO2/c1-11-16-17(21)14-6-5-13(20)9-15(14)18(11,2)7-8-19(16)10-12-3-4-12/h5-6,9,11-12,16,20H,3-4,7-8,10H2,1-2H3/t11-,16-,18+/m0/s1
| C=18 | H=23 | N=1 | O=2
| InChIKey = HQBZLVPZOGIAIQ-SDDDUWNIBX
| smiles = O=C2c1c(cc(O)cc1)3((2N(CC3)CC4CC4)C)C
| StdInChI_Ref = {{stdinchicite|correct|chemspider}} | StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/C18H23NO2/c1-11-16-17(21)14-6-5-13(20)9-15(14)18(11,2)7-8-19(16)10-12-3-4-12/h5-6,9,11-12,16,20H,3-4,7-8,10H2,1-2H3/t11-,16-,18+/m0/s1 | StdInChI = 1S/C18H23NO2/c1-11-16-17(21)14-6-5-13(20)9-15(14)18(11,2)7-8-19(16)10-12-3-4-12/h5-6,9,11-12,16,20H,3-4,7-8,10H2,1-2H3/t11-,16-,18+/m0/s1
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = HQBZLVPZOGIAIQ-SDDDUWNISA-N | StdInChIKey = HQBZLVPZOGIAIQ-SDDDUWNISA-N
| CAS_number = 36292-69-0
| ATC_prefix = none
| ATC_suffix =
| PubChem = 3054741
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 2316328
| KEGG_Ref = {{keggcite|correct|kegg}}
| KEGG = D04649
| C = 18 | H = 23 | N = 1 | O = 2
| molecular_weight = 285.38 g/mol
| smiles = O=C2c1c(cc(O)cc1)3((2N(CC3)CC4CC4)C)C
| bioavailability =
| metabolism =
| elimination_half-life =
| excretion =
| pregnancy_category =
| legal_status = ?
| routes_of_administration = Oral
}} }}
'''Ketazocine''' (]), also known as '''ketocyclazocine''', is a ] derivative used in ] research. Ketazocine, for which the receptor is named, is an ] opioid that binds to the ].<ref>{{cite journal | vauthors = Leander JD | title = Effects of ketazocine, ethylketazocine and phenazocine on schedule-controlled behavior: antagonism by naloxone | journal = Neuropharmacology | volume = 21 | issue = 9 | pages = 923–8 | date = September 1982 | pmid = 6128693 | doi = 10.1016/0028-3908(82)90085-5 | s2cid = 38692038 }}</ref>


Activation of this receptor is known to cause sleepiness, a decrease in pain sensation and (potentially) ], ], and ]. It also causes an increase in urine production because it inhibits the release of vasopressin. (] is an ] substance that assists in regulating fluid and electrolyte balance in the body and decreases the amount of water released into the urine.)
'''Ketazocine''' (]), also known as '''ketocyclazocine''', is a ] derivative used in ] research. Ketocyclazocine is an ] opioid that binds to the ].<ref>{{cite journal |journal=Neuropharmacology |year=1982 Sep |volume=21 |issue=9 |pages=923–8 |title=Effects of ketazocine, ethylketazocine and phenazocine on schedule-controlled behavior: antagonism by naloxone |author=Leander JD |pmid=6128693 }}</ref>


Unlike other opioids, substances that only bind to the κ receptor theoretically do not depress the ].
Activation of this receptor causes a decrease in pain sensations and increased sleepiness but can also cause psychological symptoms such as feelings of unease, ], and ]. It also causes an increase in urine production because it inhibits the release of vasopressin. (] is an ] substance that assists in regulating fluid and electrolyte balance in the body and decreases the amount of water released into the urine.)


The crystal structure of ketazocine was determined in 1983.<ref>{{cite journal | vauthors= Verlinde CL, De Ranter CJ | title = (1S, 5R, 9R)-2-Cyclopropylmethyl-2'-hydroxy-5, 9-dimethyl-8-oxo-6, 7-benzomorphan hydrochloride monohydrate (ketazocine), C18H23NO2. HCl. H2O | journal= Acta Crystallogr. C| year = 1983 | volume = 39 | issue = 12 | pages= 1703–1706 | doi = 10.1107/S0108270183009828 | bibcode = 1983AcCrC..39.1703V }}</ref>
Unlike other opioids, substances that only bind to the kappa receptor theoretically do not impair the normal drive to breathe.


== See also == == See also ==
* ] * ]
* ]


== References == == References ==
{{reflist|2}} {{Reflist}}
{{Opioids}}


{{Hallucinogens}}
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{{Opioidergics}}
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