2,2,5,7,8-Pentamethyl-2H-1-benzopyran-6-ol

Base Information

• Chemical Name: 2,2,5,7,8-Pentamethyl-2H-1-benzopyran-6-ol
• CAS No.: 56306-89-9
• Molecular Formula: C14H18O2
• Molecular Weight: 218.296
• DSSTox Substance ID: DTXSID00558778
• Nikkaji Number: J1.159.237F
• Wikidata: Q82441194

Synonyms:2,2,5,7,8-pentamethyl-2H-chromen-6-ol;2,2,5,7,8-Pentamethyl-2H-1-benzopyran-6-ol;56306-89-9;SCHEMBL5266203;DTXSID00558778;BUGNMGUKZJWODR-UHFFFAOYSA-N;2,2,5,7,8-pentamethyl-chromen-6-ol

Chemical Property of 2,2,5,7,8-Pentamethyl-2H-1-benzopyran-6-ol

Chemical Property:

• PSA: 29.46000
• LogP: 3.50160
• XLogP3: 3.6
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 218.130679813
• Heavy Atom Count: 16
• Complexity: 295

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: CC1=C(C2=C(C=CC(O2)(C)C)C(=C1O)C)C

Technology Process of 2,2,5,7,8-Pentamethyl-2H-1-benzopyran-6-ol

There total 2 articles about 2,2,5,7,8-Pentamethyl-2H-1-benzopyran-6-ol 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:

2,2,5,7,8-pentamethylchroman-6-ol (950-99-2) → 6-hydroxy-2,2,5,7,8-pentamethyl-2H-chromene (56306-89-9)

Guidance literature:

With hydrogenchloride; potassium hydroxide; iodine; Yield given. Multistep reaction; 1.) methanol, room temp.; 60 deg C, 1h, 2.) 60 deg C, 1 h;

DOI:10.1021/jo00269a043

Reference yield:

methanol (67-56-1) + 2,2,5,7,8-pentamethylchroman-6-ol (950-99-2) → 6-hydroxy-2,2,5,7,8-pentamethyl-2H-chromene (56306-89-9) + 4-methoxy-2,2,5,7,8-pentamethylchroman-6-ol (119529-13-4)

Guidance literature:

With potassium hydroxide; iodine; at 50 ℃; for 0.666667h; Yield given;

DOI:10.1021/jo00269a043

upstream raw materials:

methanol

2,2,5,7,8-pentamethylchroman-6-ol

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