PT66744B - Process for preparing cis-hexahydrodibenzopyranones - Google Patents
Process for preparing cis-hexahydrodibenzopyranonesInfo
- Publication number
- PT66744B PT66744B PT66744A PT6674477A PT66744B PT 66744 B PT66744 B PT 66744B PT 66744 A PT66744 A PT 66744A PT 6674477 A PT6674477 A PT 6674477A PT 66744 B PT66744 B PT 66744B
- Authority
- PT
- Portugal
- Prior art keywords
- hexahydrodibenzopyranones
- preparing cis
- cis
- preparing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/78—Ring systems having three or more relevant rings
- C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Saccharide Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70280676A | 1976-07-06 | 1976-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT66744A PT66744A (en) | 1977-07-01 |
| PT66744B true PT66744B (en) | 1978-11-27 |
Family
ID=24822679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT66744A PT66744B (en) | 1976-07-06 | 1977-06-30 | Process for preparing cis-hexahydrodibenzopyranones |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4131614A (pt) |
| BE (1) | BE856410A (pt) |
| CA (1) | CA1088083A (pt) |
| ES (1) | ES460384A1 (pt) |
| PH (1) | PH15422A (pt) |
| PT (1) | PT66744B (pt) |
| ZA (1) | ZA773957B (pt) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4395560A (en) * | 1982-05-24 | 1983-07-26 | Eli Lilly And Company | Preparation of 6a,10a-trans-hexahydrodibenzopyranones |
| US7674922B2 (en) * | 2005-09-29 | 2010-03-09 | Albany Molecular Research, Inc. | Process for production of delta-9-tetrahydrocannabinol |
| CA2638940C (en) * | 2008-08-28 | 2009-09-15 | Dalton Chemical Laboratories Inc. | Improved synthesis of hexahydrodibenzopyranones |
| US12029718B2 (en) | 2021-11-09 | 2024-07-09 | Cct Sciences, Llc | Process for production of essentially pure delta-9-tetrahydrocannabinol |
-
1977
- 1977-06-30 PT PT66744A patent/PT66744B/pt unknown
- 1977-06-30 CA CA281,782A patent/CA1088083A/en not_active Expired
- 1977-07-04 ES ES460384A patent/ES460384A1/es not_active Expired
- 1977-07-04 BE BE1008244A patent/BE856410A/xx not_active IP Right Cessation
- 1977-09-08 US US05/831,458 patent/US4131614A/en not_active Expired - Lifetime
-
1979
- 1979-01-02 ZA ZA00773957A patent/ZA773957B/xx unknown
- 1979-12-03 PH PH23358A patent/PH15422A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4131614A (en) | 1978-12-26 |
| ZA773957B (en) | 1979-02-28 |
| PH15422A (en) | 1983-01-07 |
| ES460384A1 (es) | 1978-04-01 |
| CA1088083A (en) | 1980-10-21 |
| BE856410A (fr) | 1978-01-04 |
| PT66744A (en) | 1977-07-01 |
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