(3S,3aS,7aS,Ss)-3-methyl-7a-[(4-methylphenyl)sulfinyl]-3,3a,4,5-tetrahydropyrano[3,4-c]pyrazol-7(7aH)-one

Base Information

• Chemical Name: (3S,3aS,7aS,Ss)-3-methyl-7a-[(4-methylphenyl)sulfinyl]-3,3a,4,5-tetrahydropyrano[3,4-c]pyrazol-7(7aH)-one
• CAS No.: 1151468-77-7
• Molecular Formula: C₁₄H₁₆N₂O₃S
• Molecular Weight: 292.359

Synonyms:(3S,3aS,7aS,Ss)-3-methyl-7a-[(4-methylphenyl)sulfinyl]-3,3a,4,5-tetrahydropyrano[3,4-c]pyrazol-7(7aH)-one

Chemical Property of (3S,3aS,7aS,Ss)-3-methyl-7a-[(4-methylphenyl)sulfinyl]-3,3a,4,5-tetrahydropyrano[3,4-c]pyrazol-7(7aH)-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (3S,3aS,7aS,Ss)-3-methyl-7a-[(4-methylphenyl)sulfinyl]-3,3a,4,5-tetrahydropyrano[3,4-c]pyrazol-7(7aH)-one

There total 1 articles about (3S,3aS,7aS,Ss)-3-methyl-7a-[(4-methylphenyl)sulfinyl]-3,3a,4,5-tetrahydropyrano[3,4-c]pyrazol-7(7aH)-one 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: 80.0%

Diazoethan (1117-96-0) + (S)-(+)-3-[(4-methylphenyl)sulfinyl]-5,6-dihydropyran-2-one (108392-43-4) → (3R,3aR,7aR,Ss)-3-methyl-7a-[(4-methylphenyl)sulfinyl]-3,3a,4,5-tetrahydropyrano[3,4-c]pyrazol-7(7aH)-one (1151468-76-6) + (3S,3aS,7aS,Ss)-3-methyl-7a-[(4-methylphenyl)sulfinyl]-3,3a,4,5-tetrahydropyrano[3,4-c]pyrazol-7(7aH)-one (1151468-77-7)

Guidance literature:

(S)-(+)-3-[(4-methylphenyl)sulfinyl]-5,6-dihydropyran-2-one; With ytterbium(III) triflate; In tetrahydrofuran; at 20 ℃; for 1h;

Diazoethan; In tetrahydrofuran; diethyl ether; at -78 ℃; for 1h; stereoselective reaction;

DOI:10.1021/jo900525s

Reference yield: 65.0%

(3S,3aS,7aS,Ss)-3-methyl-7a-[(4-methylphenyl)sulfinyl]-3,3a,4,5-tetrahydropyrano[3,4-c]pyrazol-7(7aH)-one (1151468-77-7) → (1S,6S,7S)-7-methyl-1-[(4-methylphenyl)sulfonyl]-3-oxabicyclo[4.1.0]heptan-2-one (1151468-89-1)

Guidance literature:

With 3-chloro-benzenecarboperoxoic acid; In dichloromethane; at 25 ℃; for 19h;

DOI:10.1021/jo900525s

Reference yield: 35.0%

(3S,3aS,7aS,Ss)-3-methyl-7a-[(4-methylphenyl)sulfinyl]-3,3a,4,5-tetrahydropyrano[3,4-c]pyrazol-7(7aH)-one (1151468-77-7) → 4-ethyl-3-[(4-methylphenyl)sulfinyl]-5,6-dihydro-2H-pyran-2-one + (1S,6S,7S,Ss)-7-methyl-1-[(4-methylphenyl)sulfinyl]-3-oxabicyclo[4.1.0]heptan-2-one (1151468-81-3)

Guidance literature:

With ytterbium(III) triflate; In tetrahydrofuran; at 25 ℃; for 3h; Inert atmosphere;

DOI:10.1021/jo900525s

upstream raw materials:

Diazoethan

(S)-(+)-3-[(4-methylphenyl)sulfinyl]-5,6-dihydropyran-2-one

Downstream raw materials:

(1S,6S,7S,Ss)-7-methyl-1-[(4-methylphenyl)sulfinyl]-3-oxabicyclo[4.1.0]heptan-2-one

(1S,6S,7S)-7-methyl-1-[(4-methylphenyl)sulfonyl]-3-oxabicyclo[4.1.0]heptan-2-one

Post a RFQ

Cas No.:

Product Name:

Quantity:

Please select Metric Ton KG G Pound L ML

Email:

Company name:

Valid Period:

Detailed Requirements:

• Sample
• MOQ
• GMP
• FDA
• Price
  FOB CIF CFR EXW
• Urgent purchase

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

Remove

Submit

1

What can I do for you?
Get Best Price

Get Best Price for 1151468-77-7 (3S,3aS,7aS,Ss)-3-methyl-7a-[(4-methylphenyl)sulfinyl]-3,3a,4,5-tetrahydropyrano[3,4-c]pyrazol-7(7aH)-one

Send

Send

Metric Ton KG G Pound L ML

Send

Send