THC-O-Acetate Synthesis: Methods and Overview

THC-O-Acetate Synthesis From THC: A Comprehensive Guide

Introduction

THC acetate has twice the potency of THC. On the Adams scale THC 7.3, while its acetate = 14.6. Furthermore, there is a 25% increase in weight after adding the acetate structure. The effect of the acetate is more spiritual and psychedelic than that of the ordinary product. The most unique property of this material is that there is a delay of about thirty minutes before its effects are felt. This procedure was provided many times with varied efficiency. This variability was caused by and directly proportional to the amount of essential oil in the reaction.The more oil the less efficient the reaction. The maximum amount of oil I use is 20g.

Safety note: This is where things can hit the fan! You should have proper PPE including a face shield, chemical resistant apron, and chemical gloves. This again should be done in a fume hood.

Equipment and glassware:

  • Heated stirrer;
  • Flat bottom boiling flask;
  • Reflux condenser;
  • 5 L bucket of ice water;
  • Aquarium water pump;
  • Pasteur pipette's;
  • Retort stand and clamp for securing apparatus;
    Laboratory scale (1 — 500 g is suitable);
  • 5 L x2; 1 L x2; 500 ml x2; 100 ml x2 Beakers;
  • 1 L and 100 ml Measuring cylinders;
  • Filter paper ;
  • Conventional funnel;
  • Separatory funnel;
  • pH indicator papers (optional);
  • Boiling stones;
  • Water-jet aspirator (optional);
  • Rotary evaporator (optional);
  • Glass rod;
  • Water/oil bath;

Reagents:

  • THC acetate;
  • Dry ice in a foam cooler
  • 2 L 95% Ethyl Alcohol;
  • 2 L Denatured alcohol;
  • Hexane (HPLC grade);
  • 98% Sulphuric acid;
  • 98% Acetic anhydride;
  • ~7 L Distilled water;
  • ~200g Sodium chloride (NaCl);
  • ~100g Baking soda (NaHCO3);

  • Boiling Point: 172-174 °C/0.08 Torr; 421.77 °C at 760 mm Hg;
  • Melting Point: 160.18 °C;
  • Molecular Weight: 356.50 g/mol;
  • Density: 1.0±0.1 g/ml (20 °C);
  • CAS Number: 23132-17-4

THC-O-Acetate Synthesis Procedures

1. Dry your THC in an oven at 105 ℃ until thoroughly dry and free of any alcohols;

2. Dissolve your extract into an alkane solvent such as hexane (HPLC grade);

3. In a flat bottom boiling flask combine extract in a 1:2.5 w/v ratio of oil to acetic anhydride. (1g + 2.5mL);

4. Place it in an ice and water bath and add 2.5 drops/g oil of 98 % H2SO4 slowly down the side of the glass swirling gently after every couple of drops;

5. Once the solution has cooled place a stir bar in carefully to avoid splashes;

6. Put on a stir plate and begin stirring vigorously;

7. Place a reflux condenser onto the top;

8. Begin heating until the vapor is being condensed at the second bulb. This takes a bit of adjusting to get to the perfect plate temperature versus condenser water flow;

9. Start a timer for 60 min for up to 10 g and add 60 min for up to an additional 10 g of oil;

10. Turn off the hot plate but continue to stir;

11. When cooled slightly add 1mL (per 1 g oil) of distilled water drop wise against the glass;

12. Vapors containing acetic acid will escape from the top. This is normal. DO NOT INHALE VAPORS!

13. Pour liquid into a separatory funnel, wash flask clean with hexane and pour into funnel. Wash flask of anything left with 95% non-denatured alcohol pour into funnel;

14. Prepare ~7 L of distilled water with dissolved 200 g NaCl;

15. Once the water can be distinguished from the hexane begin draining the water;

16. When you are close to the emulsion layer, stop and add salt water until the funnel is almost full;

17. Cap and mix by inverting several times, uncap or the pressure will shoot the lid off;

18. You should have a lower water layer an emulsion layer and an upper organic layer;

19. Continue rinsing with NaCl water solution until it runs out;

20. Drain the organic layer into a clean beaker and place into an oil bath 120 ºС until dry or use vacuum rotary evaporator with mild water bath heating (the best way);

21. Test a small drop of acetate on a watch glass with some baking soda dissolved in water. If it fizzes, re-suspend acetate in hexane and wash with baking soda water solution until it stops bubbling. You can use pH indicator paper for determine neutral pH (~7-7.5) of the THC-O-Acetate solution. Re-separate water from organic in funnel;

22. Dry at 120 ºС or use vacuum rotary evaporator with mild water bath heating;

23. Re-dissolve in 95 % EtOH and place beaker into a shallow, denatured alcohol and dry ice bath for at least 5 min;

24. Pour liquid through a coffee filter and wash filter by small amount of 95 % EtOH;

25. Discard filter and dry the acetate by boiling off the alcohol. Using vacuum rotary evaporator preferably;

26. Wash and dry 2 more times with ethanol (steps 23-25);

THC-O-Acetate Pharmacokinetics and Pharmacodynamics

Pharmacokinetics of THC-O-Acetate

Absorption

Oral Administration: THC-O-Acetate is often consumed orally, and like other cannabinoids, it undergoes first-pass metabolism in the liver. This process may result in the conversion of THC-O-Acetate into its active form, THC.

Distribution

Lipophilicity: THC-O-Acetate, being a cannabinoid derivative, is likely to be lipophilic, meaning it has an affinity for fat tissues. This characteristic may influence its distribution in the body.

Metabolism

Metabolism to THC: It is suggested that THC-O-Acetate undergoes metabolic conversion to THC. The liver may play a significant role in this process, and the conversion could involve enzymatic reactions.

Elimination

Excretion: Metabolites of THC, which may include those formed from THC-O-Acetate, are primarily eliminated through feces and urine. The elimination half-life of THC-O-Acetate is a crucial parameter that influences how long the compound remains in the body.

Pharmacodynamics of THC-O-Acetate

Receptor Binding

CB1 and CB2 Receptors: THC-O-Acetate, like THC, is expected to interact with cannabinoid receptors CB1 and CB2 in the endocannabinoid system. These receptors are found throughout the central nervous system and immune system, respectively.

Neurotransmitter Release

Dopamine Release: Activation of CB1 receptors in the brain may lead to the release of neurotransmitters, including dopamine. This release is associated with the euphoric effects commonly experienced with THC and other cannabinoids.

THC-O-Acetate Psychoactive Effects

Euphoria and Altered Perception: THC-O-Acetate is anticipated to induce psychoactive effects, such as euphoria, altered perception of time, and changes in sensory perception, similar to THC.

THC-O-Acetate The*****utic Potential

Analgesic and Anti-inflammatory Effects: Like THC, THC-O-Acetate may possess analgesic and anti-inflammatory properties, making it a potential candidate for medical applications.

THC-O-Acetate Clinical Effects

Psychoactive Effects: THC-O-Acetate is expected to induce psychoactive effects similar to delta-9-tetrahydrocannabinol (THC), the primary psychoactive component of cannabis. These effects may include euphoria, altered perception, and changes in cognition.

Analgesic and Anti-inflammatory Properties: Like THC, THC-O-Acetate may possess analgesic (pain-relieving) and anti-inflammatory properties, potentially making it relevant for the*****utic applications.

THC-O-Acetate Dosages

Limited Information: Due to the limited research on THC-O-Acetate, specific dosage guidelines may not be well-established. Dosages may vary based on factors such as individual tolerance, body weight, and the desired the*****utic or recreational effects.

Caution Required: It is important to exercise caution when determining dosages, especially considering the potential for psychoactive effects. Starting with lower doses and titrating slowly is a common practice to minimize adverse effects.

Psychoactive Risks: Like THC, THC-O-Acetate may pose risks related to psychoactive effects, including impairment of cognitive function, coordination, and judgment. Users should avoid activities that require attention and coordination, such as driving, while under the influence.

Potential for Dependence: As with any substance that has psychoactive properties, there may be a potential for the development of dependence or misuse. Users should be aware of these risks, and healthcare providers should monitor patients using such substances.

Legal and Ethical Considerations: The legal status of THC-O-Acetate may vary across jurisdictions, and its use may be subject to legal and ethical considerations. Individuals should be aware of and comply with local laws and regulations.

Conclusion

In summary, due to the limited information available and potential risks associated with synthetic cannabinoids, including THC-O-Acetate, caution is advised. Any use should be guided by comprehensive research, adherence to legal regulations, and under the supervision of qualified healthcare professionals. Individuals considering the use of THC-O-Acetate should stay informed about the latest scientific findings and consult with healthcare providers for personalized guidance.

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