THC-O-phosphate
| File:D8THCphosphate.png | |
| Systematic (IUPAC) name | |
|---|---|
|
O-phosphoryl-Δ8-tetrahydrocannabinol | |
| Identifiers | |
| PubChem | CID 9865413 |
| Chemical data | |
| Formula | C21H31O5P |
| Molar mass | 394.45 g/mol[[Script error: No such module "String".]] |
| Script error: No such module "collapsible list". | |
THC phosphate ester is a water soluble derivative of THC, invented in 1978 in an attempt to get around the poor water solubility of THC and make it easier to inject for the purposes of animal research into its pharmacology and mechanism of action. The main disadvantage of THC phosphate ester is the slow rate of hydrolysis of the ester link, resulting in delayed onset of action and lower potency than the parent drug.
THC phosphate ester is made by reacting THC with phosphoryl chloride using pyridine as a solvent, following by quenching with water to produce THC phosphate ester. In the original research the less active but more stable isomer Δ8THC was used, but the same reaction scheme could be used to make the phosphate ester of the more active isomer Δ9THC. [1]
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References
- ↑ Yoshimura H, Watanabe K, Oguri K, Fujiwara M, Ueki S. Synthesis and pharmacological activity of a phosphate ester of delta8-tetrahydrocannabinol. Journal of Medicinal Chemistry. 1978 Oct;21(10):1079-81.
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