cis-Methylkhellactone

Base Information

• Chemical Name: cis-Methylkhellactone
• CAS No.: 20107-13-5
• Molecular Formula: C₁₅H₁₆O₅
• Molecular Weight: 276.289
• Mol file: 20107-13-5.mol

Synonyms:(-)-trans-khellactone 4'-methyl ether

Chemical Property of cis-Methylkhellactone

Chemical Property:

Purity/Quality:

98%Min ^*data from raw suppliers

cis-Methylkhellactone 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of cis-Methylkhellactone

There total 5 articles about cis-Methylkhellactone 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:

4'-angeloyloxy-3'-senecioyloxy-(-)-trans-khellactone (96947-56-7) → Angelic acid (565-63-9) + 3-Methylbutenoic acid (541-47-9) + (3′R,4′R)-3′-O-senecioylkhellactone (97274-81-2) + (-)-trans-khellactone 4'-methyl ether (20107-13-5)

Guidance literature:

With potassium hydroxide; In methanol; at 70 ℃; for 4h;

DOI:10.1007/BF00579631

Reference yield:

hystrixarin (80058-06-6,85165-97-5,125760-49-8) → 3-methylbutyric acid (503-74-2) + (+)-cis-khellactone (518-76-3,4968-31-4,15575-68-5,15645-11-1,20516-17-0,23458-04-0,24144-61-4,54712-23-1,80124-45-4) + (-)-trans-khellactone 4'-methyl ether (20107-13-5)

Guidance literature:

With potassium hydroxide; In methanol; at 70 ℃; for 4h;

DOI:10.1007/BF00579631

Reference yield:

methanol (67-56-1) + (9R,10R)-9-acetoxy-8,8-dimethyl-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one-10-yl ester → (-)-trans-khellactone 4'-methyl ether (20107-13-5) + trans-4'-O-methylkhellactone (23733-92-8)

Guidance literature:

With hydrogenchloride; for 22h; Heating;

DOI:10.1021/np010448t

upstream raw materials:

4'-angeloyloxy-3'-senecioyloxy-(-)-trans-khellactone

hystrixarin

campestrinol

methanol

Refernces

• 1、 Valencia-Islas, Norma,Abbas, Hamed,Bye, Robert,Toscano, Ruben,Mata, Rachel. "Phytotoxic compounds from Prionosciadium watsoni". . p. 828 - 834. Retrieved 2007/10/03.