O-1871 is a potent
cannabinoid
Cannabinoids () are several structural classes of compounds found in the cannabis plant primarily and most animal organisms (although insects lack such receptors) or as synthetic compounds. The most notable cannabinoid is the phytocannabinoid tet ...
agonist which was invented by Billy R Martin and Raj K Razdan at
Organix Inc
Organix Inc is a US fine chemicals company specialising in chemical synthesis of analytical standards and custom synthesis of finished compounds and intermediates.{{Citation needed, date=February 2020
Chemistry
Organix carries out research and de ...
in 2002. It has a
CB1 receptor affinity of 2.0nM and a
CB2 receptor affinity of 0.3nM. Structurally, O-1871 is a cyclohexylphenol derivative related to
CP 47,497
CP 47,497 or (C7)-CP 47,497 is a cannabinoid receptor agonist drug, developed by Pfizer in the 1980s. It has analgesic effects and is used in scientific research. It is a potent CB1 agonist with a ''K''d of 2.1 nM.
Homologue
On the 19th of ...
, and so is illegal in some jurisdictions where CP 47,497 and its derivatives are banned. However the 3,3-dimethylcyclohexyl substituent of O-1871 can be replaced by various other groups, producing other potent compounds such as the cycloheptyl derivative
O-1656
O-1656 is a cannabinoid agonist which was invented by Billy R Martin and Raj K Razdan at Organix Inc in 2002. It is moderately selective for the CB2 receptor with a CB1 receptor affinity of 18 nM and a CB2 receptor affinity of 2 nM. Since it ha ...
and the 2-adamantyl derivative O-1660, as well as the corresponding 3,5-dichlorophenyl derivative,
which are not cyclohexylphenol derivatives.
![O-1656_structure](https://upload.wikimedia.org/wikipedia/commons/0/0c/O-1656_structure.png)
]
![O-1660_structure](https://upload.wikimedia.org/wikipedia/commons/d/dc/O-1660_structure.png)
]
See also
*
CP 55,940
55,940 is a synthetic cannabinoid which mimics the effects of naturally occurring THC (one of the psychoactive compounds found in cannabis). CP 55,940 was created by Pfizer in 1974 but was never marketed. It is currently used to study the endoca ...
*
Cannabidiol
Cannabidiol (CBD) is a phytocannabinoid discovered in 1940. It is one of 113 identified cannabinoids in cannabis plants, along with tetrahydrocannabinol (THC), and accounts for up to 40% of the plant's extract. , clinical research on CBD incl ...
*
Cannabicyclohexanol
Cannabicyclohexanol (CCH, CP 47,497 dimethyloctyl homologue, (C8)-CP 47,497) is a cannabinoid receptor agonist drug, developed by Pfizer in 1979. On 19 January 2009, the University of Freiburg in Germany announced that an analog of CP 47,497 was ...
*
Cannabinor
References
{{cannabinoid-stub
Cannabinoids
2,6-Dihydroxybiphenyls