2H-1-Benzopyran-5-ol,2,7-dimethyl-2-(4- methyl-3-pentenyl)-

Base Information

• Chemical Name: 2H-1-Benzopyran-5-ol,2,7-dimethyl-2-(4- methyl-3-pentenyl)-
• CAS No.: 55824-09-4
• Molecular Formula: C17H22O2
• Molecular Weight: 258.36
• Mol file: 55824-09-4.mol

Synonyms:cannabichromeorcin;2,7-Dimethyl-2-(4-methyl-pent-3-enyl)-2H-chromen-5-ol;cannabichromene-C1;2-methyl-2(4'-methyl-pent-3'-enyl)-5-hydroxy-7-methyl-chromene;2-methyl-2(4-methyl-pent-3-enyl)-5-hydroxy-7-methylchromene;5-hydroxy-2,7-dimethyl-2-(4-methyl-3-pentenyl)-2H-chromene;

Chemical Property of 2H-1-Benzopyran-5-ol,2,7-dimethyl-2-(4- methyl-3-pentenyl)-

Chemical Property:

• PSA: 29.46000
• LogP: 4.61130

Purity/Quality:

99% ^*data from raw suppliers

(±)-Cannabichromeorcin (CRM) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Description: (±)-Cannabichromeorcin (CRM) (Item No. 21742) is a certified reference material categorized as a cannabinoid. This product is intended for research and forensic applications.

Technology Process of 2H-1-Benzopyran-5-ol,2,7-dimethyl-2-(4- methyl-3-pentenyl)-

There total 21 articles about 2H-1-Benzopyran-5-ol,2,7-dimethyl-2-(4- methyl-3-pentenyl)- which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 82.0%

orcinol (504-15-4) + (E/Z)-3,7-dimethyl-2,6-octadienal (5392-40-5,96680-15-8) → 2-methyl-2-(4'-methylpent-3'-enyl)-5-hydroxy-7-methylchromene (55824-09-4)

Guidance literature:

With ethylenediaminediacetic acid; In toluene; at 110 ℃; for 5h; Inert atmosphere;

DOI:10.1021/acs.orglett.9b03060

Reference yield: 74.0%

4-methyl resorcinol (496-73-1,73073-80-0) + (E/Z)-3,7-dimethyl-2,6-octadienal (5392-40-5,96680-15-8) → 2-methyl-2-(4'-methylpent-3'-enyl)-5-hydroxy-7-methylchromene (55824-09-4)

Guidance literature:

With ethylenediamine diacetic acid; In toluene; at 110 ℃; for 5h; Inert atmosphere;

DOI:10.1021/acs.orglett.7b00779

Reference yield: 50.0%

8-chloro-5-methoxy-2-methyl-2-(4-methyl-3-pentenyl)-2H-chromene (878479-93-7) → 2-methyl-2-(4'-methylpent-3'-enyl)-5-hydroxy-7-methylchromene (55824-09-4)

Guidance literature:

With sodium thioethylate; In N,N-dimethyl-formamide; at 150 ℃; for 1h;

DOI:10.1002/jhet.5570430105

upstream raw materials:

orcinol

3,7-dimethyl-2,6-octadienal

2,7-dimethyl-5-hydroxy-2-(4-methylpent-3-enyl)-2H-1-benzopyran-6-carboxylic acid

8-chloro-5-methoxy-2-methyl-2-(4-methyl-3-pentenyl)-2H-chromene