CANNABIDIOL COMPOSITIONS HAVING MODIFIED CANNABINOID PROFILES
The present disclosure relates to the preparation of a highly pure cannabidiol compound by a novel synthesis route. The cannabidiol compound can be prepared by an acid-catalyzed reaction of a di-halo olivetol with menthadienol, followed by two crystallization steps. The highly pure cannabidiol compound is produced in high yield, stereospecificity, or both, and shows exceedingly low levels of Δ-9-tetrahydrocannabinol at the time of preparation and after storage.
1 . A composition comprising cannabidiol and delta-9-tetrahydrocannabinol, wherein said delta-9-tetrahydrocannabinol is present in an amount less than 10 ppm.
2 . The composition of claim 1 , comprising cannabidiol and delta-9-tetrahydrocannabinol, wherein said delta-9-tetrahydrocannabinol is present in an amount less than 8 ppm.
3 . The composition of claim 1 , comprising cannabidiol and delta-9-tetrahydrocannabinol, wherein said delta-9-tetrahydrocannabinol is present in an amount less than 6 ppm.
4 . The composition of claim 1 , comprising cannabidiol and delta-9-tetrahydrocannabinol, wherein said delta-9-tetrahydrocannabinol is present in an amount less than 4 ppm.
5 . The composition of claim 1 , comprising cannabidiol and delta-9-tetrahydrocannabinol, wherein said delta-9-tetrahydrocannabinol is present in an amount less than 3 ppm.
6 . The composition of claim 1 , comprising cannabidiol and delta-9-tetrahydrocannabinol, wherein said delta-9-tetrahydrocannabinol is present in an amount less than 2 ppm.
7 . The composition of claim 1 , comprising cannabidiol and delta-9-tetrahydrocannabinol, wherein said delta-9-tetrahydrocannabinol is present in an amount from about 0.1 ppm to 6 ppm.
8 . The composition of claim 1 , comprising cannabidiol and delta-9-tetrahydrocannabinol, wherein said delta-9-tetrahydrocannabinol is present in an amount from about 1 ppm to 5 ppm.
9 . The composition of claim 1 , wherein said cannabidiol is crystalline.
10 . The composition of claim 1 , wherein said cannabidiol is crystalline polymorph Form A.
11 . The composition of claim 10 , said crystalline polymorph Form A having an X-ray powder diffraction pattern substantially as depicted in FIG. 11 A .
12 . The composition of claim 10 , wherein said crystalline polymorph Form A comprises at least one X-ray powder diffraction peak in degrees 2θ±0.07 selected from the group consisting of 5.07, 8.28, 9.30, 9.70, 10.20, 11.74, 12.49, 13.12, 13.80, 15.08, 15.35, 16.05, 16.57, 17.36, 17.93, 18.79, 18.96, 19.44, 19.79, 20.55, 20.82, 21.61, 22.11, 22.63, 22.99, 23.68, 24.40, 25.28, 26.45, 26.76, 27.46, 27.70, 28.45, 29.06, 31.07, 32.60, 33.31, 34.03, 34.57, 35.31, 36.49, and 37.79.
13 . The composition of claim 10 , wherein said crystalline polymorph Form A comprises at least two X-ray powder diffraction peaks in degrees 2θ±0.07 selected from the group consisting of 5.07, 8.28, 9.30, 9.70, 10.20, 11.74, 12.49, 13.12, 13.80, 15.08, 15.35, 16.05, 16.57, 17.36, 17.93, 18.79, 18.96, 19.44, 19.79, 20.55, 20.82, 21.61, 22.11, 22.63, 22.99, 23.68, 24.40, 25.28, 26.45, 26.76, 27.46, 27.70, 28.45, 29.06, 31.07, 32.60, 33.31, 34.03, 34.57, 35.31, 36.49, and 37.79.
14 . The composition of claim 10 , wherein said crystalline polymorph Form A comprises at least three X-ray powder diffraction peaks in degrees 2θ±0.07 selected from the group consisting of 5.07, 8.28, 9.30, 9.70, 10.20, 11.74, 12.49, 13.12, 13.80, 15.08, 15.35, 16.05, 16.57, 17.36, 17.93, 18.79, 18.96, 19.44, 19.79, 20.55, 20.82, 21.61, 22.11, 22.63, 22.99, 23.68, 24.40, 25.28, 26.45, 26.76, 27.46, 27.70, 28.45, 29.06, 31.07, 32.60, 33.31, 34.03, 34.57, 35.31, 36.49, and 37.79.
15 . The composition of claim 10 , wherein said crystalline polymorph Form A exhibits a characteristic X-ray powder diffraction pattern having peaks in degrees 2θ±0.07 20 at 9.70, 11.74, 15.08, 17.36, and 18.79.
16 . The composition of claim 10 , wherein said crystalline polymorph Form A exhibits a characteristic X-ray powder diffraction pattern having peaks in degrees 2θ±0.07 20 at 9.70, 11.74, 12.49, 13.12, 13.80, 15.08, 17.36, 18.79, 20.55, and 22.11.
17 . The composition of claim 10 , wherein said crystalline polymorph Form A exhibits a characteristic X-ray powder diffraction pattern having peaks in degrees 2θ±0.07 20 at 5.07, 8.28, 9.30, 9.70, 10.20, 11.74, 12.49, 13.12, 13.80, 15.08, 15.35, 16.05, 16.57, 17.36, 17.93, 18.79, 18.96, 19.44, 19.79, 20.55, 20.82, 21.61, 22.11, 22.63, 22.99, 23.68, 24.40, 25.28, 26.45, 26.76, 27.46, 27.70, 28.45, 29.06, 31.07, 32.60, 33.31, 34.03, 34.57, 35.31, 36.49, and 37.79.
18 . The composition of claim 10 , wherein said crystalline polymorph Form A is characterized by a differential scanning calorimetry thermogram as set forth in FIG. 12 .
19 . The composition of claim 10 , wherein said crystalline polymorph Form A is characterized by a differential scanning calorimetry thermogram with an endotherm having an onset of about 67.72° C. and a peak at about 68.12° C.
20 . The composition of claim 1 , further comprising at least one compound selected from the group consisting of cannabinol, cannabigerol, delta-8-tetrahydrocannabinol, cannabichromene, cannabicyclol, cannabiyarin, tetrahydrocannabivarin, cannabidivarin, cannabichromevarin, cannabigerovarin, cannabielsoin, cannabicitran, 3,5-dibromo-5′-methyl-4-pentyl-2′-(prop-1-en-2-yl)-1′,2′,3′,4′-tetrahydro-[1,1′-biphenyl]-2,6-diol, 3-bromo-5′-methyl-4-pentyl-2′-(prop-1-en-2-yl)-1′,2′,3′,4′-tetrahydro-[1,1′-biphenyl]-2,6-diol, 4,6-di-bromo olivetol, 4-bromo-5-pentylbenzene-1,3-diol, abnormal cannabidiol (ab-CBD), cannabidiol quinone derivatives (CBQ), 3,5-dibromo-5′-methyl-2′-(prop-1-en-2-yl)-4-propyl-1′,2′,3′,4′-tetrahydro-[1,1′-biphenyl]-2,6-diol, 3,5-dibromo-4-ethyl-5′-methyl-2′-(prop-1-en-2-yl)-1′,2′,3′,4′-tetrahydro-[1,1′-biphenyl]-2,6-diol, 3-bromo-4-ethyl-5′-methyl-2′-(prop-1-en-2-yl)-1′,2′,3′,4′-tetrahydro-[1,1′-biphenyl]-2,6-diol, 4,6-dibromo-5-propylbenzene-1,3-diol, 4-bromo-5-propylbenzene-1,3-diol, 4,6-dibromo-5-ethylbenzene-1,3-diol, 4-bromo-5-ethylbenzene-1,3-diol, 5′-methyl-2′-(prop-1-en-2-yl)-4-propyl-1′,2′,3′,4′-tetrahydro-[1,1′-biphenyl]-2,6-diol, and 4-ethyl-5′-methyl-2′-(prop-1-en-2-yl)-1′,2′,3′,4′-tetrahydro-[1,1′-biphenyl]-2,6-diol.
21 . The composition of claim 1 , devoid of plant extract material.
22 . A stable composition comprising cannabidiol and delta-9-tetrahydrocannabinol, wherein said delta-9-tetrahydrocannabinol is present in an amount less than 10 ppm upon storage for 2 years or less.
23 . The stable composition of claim 22 , wherein said delta-9-tetrahydrocannabinol is present in an amount less than 10 ppm upon storage for 1 year or less.
24 . The stable composition of claim 22 , wherein said delta-9-tetrahydrocannabinol is present in an amount less than 10 ppm upon storage for 6 months or less.
25 . The stable composition of claim 22 , wherein said delta-9-tetrahydrocannabinol is present from about 0.1 ppm to about 9 ppm.
26 . The composition of claim 22 , wherein the cannabidiol is crystalline.
27 . A composition comprising cannabidiol and less than 10 ppm delta-9-tetrahydrocannabinol, wherein the ratio of cannabidiol to delta-9-tetrahydrocannabinol is less than 1:0.0001 as measured by UPLC.
28 . The composition of claim 27 , wherein the cannabidiol is crystalline.
29 . A formulation comprising,
cannabidiol,
delta-9-tetrahydrocannabinol, wherein said delta-9-tetrahydrocannabinol is present in an amount less than 10 ppm, and
a pharmaceutically acceptable excipient.
30 . The formulation of claim 29 , wherein the formulation is in the form of a matrix.
31 . The formulation of claim 29 , wherein the formulation is in the form of a liquid.
32 . The formulation of claim 31 , wherein the liquid is vaporizable.
33 . The formulation of claim 29 , wherein the formulation is in the form of a granule.
34 . A method of preparing crystalline cannabidiol characterized by an X-ray powder diffraction pattern substantially as depicted in FIG. 11 A and having less than 10 ppm delta-9-tetrahydrocannabinol, comprising crystalizing the cannabidiol from isooctane.
35 . A method of preparing a cannabidiol composition, comprising
contacting di-halo olivetol with menthadienol in the presence of a protic acid
catalyst to prepare di-halo cannabidiol;
contacting the di-halo cannabidiol with a reducing agent to prepare a first cannabidiol composition;
contacting the first cannabidiol composition with a first solvent;
crystallizing a second cannabidiol composition from said solvent; and
recrystallizing crystalline cannabidiol composition having less than 10 ppm delta-9-tetrahydrocannabinol from a second solvent.
36 . The method of claim 35 wherein the protic acid catalyst is selected from the group consisting of p-toluene sulfonic acid, trifluoromethanesulfonic acid, trifluoroacetic acid, acetic acid, and sulfuric acid.
37 . The method of claim 35 wherein the reducing agent is a sulfur-containing compound.
38 . The method of claim 35 wherein the first solvent is selected from the group consisting of 2-butanone, ethyl acetate, 1-4-dioxane, diethyl ether, tert-butyl methyl ether, tetrahydrofuran, dichloromethane, chloroform, n-heptane, toluene, isopropyl acetate, isooctane, n-decane, and anisole.
39 . The method of claim 35 wherein the second solvent is selected from the group consisting of isooctane, chloroform, n-heptane, dichloromethane, diethyl ether, hexane, n-decane and pentane.
40 . The method of claim 35 , wherein di-halo olivetol is contacted with menthadienol in the presence of a protic acid catalyst at a temperature of about −33° C. to about −27° C.
41 . The method of claim 35 , wherein di-halo olivetol is contacted with menthadienol in the presence of a protic acid catalyst at a temperature of about −30° C.
42 . A method of recrystallizing cannabidiol from a mixture of cannabinoids to prepare a composition comprising cannabidiol and less than 10 ppm delta-9-tetrahydrocannabinol, said method comprising,
contacting said mixture of cannabinoids with isooctane to form a solution;
heating said solution to about 40° C.;
cooling the solution to about 32° C.;
seeding said solution at about 32° C. with (−)-Cannabidiol to prepare a suspension;
allowing said suspension to warm to about 32° C. with stirring;
cooling the suspension to −20° C.;
separating a solid material from said suspension;
washing solid material with isooctane at about −20° C.; and
drying the solid material to obtain a crystalline composition comprising cannabidiol and less than 10 ppm delta-9-tetrahydrocannabinol.
43 . A method of treating a disease in a subject comprising,
administering to said subject a composition comprising a therapeutic amount of cannabidiol and an amount of delta-9-tetrahydrocannabinol, wherein said amount of delta-9-tetrahydrocannabinol is less than about 20 μg per day.
44 . The method of claim 43 , wherein the disease is selected from the group consisting of emesis, pain, inflammation, multiple sclerosis, Parkinson's disease, Huntington's disease, Tourette's syndrome, Alzheimer's disease, epilepsy, glaucoma, osteoporosis, schizophrenia, cancer and obesity.
45 . The composition of claim 10 , wherein said crystalline polymorph Form A has at least one of: (a) a d10 particle size ranging from about 1 μm to about 10 μm; (b) a d50 particle size ranging from about 8 μm to about 40 μm; and (c) a d90 particle size ranging from about 8 μm to about 500 μm.
46 . The composition of claim 10 , wherein said crystalline polymorph Form A has a d50 particle size ranging from about 8 μm to about 40 μm.
47 . The composition of claim 10 , wherein said crystalline polymorph Form A has a d90 particle size ranging from about 8 μm to about 500 μm.
48 . A composition comprising: cannabidiol, halogenated cannabidiol and delta-9-tetrahydrocannabinol, wherein said cannabidiol is present in an amount of at least about 99.999% w/w of the composition, said delta-9-tetrahydrocannabinol is present in an amount less than 10 ppm and said halogenated cannabidiol is present in an amount less than 10 ppm.
49 . The composition of claim 48 , wherein said halogenated cannabidiol is a brominated cannabidiol.
50 . The composition of claim 49 , wherein said brominated cannabidiol is 4-monobromo-CBD.
51 . The composition of claim 50 , wherein said 4-monobromo-CBD is present in an amount less than 5 ppm.
52 . An enriched composition comprising: at least 99.999% cannabidiol, and total impurities less than 10 ppm, wherein said impurities comprise a halogenated cannabidiol.
53 . A recrystallized composition comprising: cannabidiol, halogenated cannabidiol and delta-9-tetrahydrocannabinol, wherein said cannabidiol is present in an amount at least about 99.999% w/w of the composition, said delta-9-tetrahydrocannabinol is present in an amount less than 5 ppm, and said halogenated cannabidiol is present in an amount less than about 10 ppm, wherein said composition is a solid.
54 . A crystalline cannabidiol composition comprising: cannabidiol and halogenated cannabidiol, wherein said composition is free of delta-9-tetrahydrocannabinol.
55 . A suspension comprising:
a composition comprising, at least 99.999% cannabidiol, and total impurities less than 10 ppm, wherein said impurities comprise a halogenated cannabidiol; and
a solvent, wherein said composition is insoluble or slightly insoluble in said solvent at 20° C. or below.