(S)-5,8A-DIMETHYL-3,4,8,8A-TETRAHYDRO-2H,7H-NAPHTHALENE-1,6-DIONE

Base Information

• Chemical Name: (S)-5,8A-DIMETHYL-3,4,8,8A-TETRAHYDRO-2H,7H-NAPHTHALENE-1,6-DIONE
• CAS No.: 41722-49-0
• Molecular Formula: C12H16O2
• Molecular Weight: 192.258
• Hs Code.: 2914690090
• Mol file: 41722-49-0.mol

Synonyms:(S)-5,8A-DIMETHYL-3,4,8,8A-TETRAHYDRO-2H,7H-NAPHTHALENE-1,6-DIONE

Chemical Property of (S)-5,8A-DIMETHYL-3,4,8,8A-TETRAHYDRO-2H,7H-NAPHTHALENE-1,6-DIONE

Chemical Property:

• Vapor Pressure: 0mmHg at 25°C
• Boiling Point: 326.559°C at 760 mmHg
• Flash Point: 122.375°C
• PSA: 34.14000
• Density: 1.086g/cm³
• LogP: 2.42510

Purity/Quality:

98%min ^*data from raw suppliers

(S)-5,8a-Dimethyl-3,4,8,8a-tetrahydro-2H,7H-naphthalene-1,6-dione ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (S)-5,8A-DIMETHYL-3,4,8,8A-TETRAHYDRO-2H,7H-NAPHTHALENE-1,6-DIONE

There total 14 articles about (S)-5,8A-DIMETHYL-3,4,8,8A-TETRAHYDRO-2H,7H-NAPHTHALENE-1,6-DIONE 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: 94.0%

2-methyl-2-(3-oxopentyl)-1,3-cyclohexanedione (57440-68-3) → (S)-1,4a-dimethyl-4,4a,7,8-tetrahydronaphthalene-2,5(3H,6H)-dione (41722-49-0)

Guidance literature:

With L-phenylalanine; pyridinium p-toluenesulfonate; In dimethyl sulfoxide; at 50 ℃; for 26h; Sonication; Inert atmosphere; Schlenk technique;

DOI:10.1021/acs.orglett.7b00288

Reference yield: 92.0%

2-methyl-2-(3-oxopentyl)-1,3-cyclohexanedione (57440-68-3) → (-)-(4aR)-1,4a-dimethyl-4,4a,7,8-tetrahydronaphthalene-2,5(3H,6H)-dione (113666-06-1) + (S)-1,4a-dimethyl-4,4a,7,8-tetrahydronaphthalene-2,5(3H,6H)-dione (41722-49-0)

Guidance literature:

With L-phenylalanine; acetic acid; at 60 ℃; for 15h;

DOI:10.1002/chem.201605751

Reference yield: 54.0%

2-methylcyclohexane-1,3-dione (1193-55-1) + 4-penten-3-one (1629-58-9) → (S)-1,4a-dimethyl-4,4a,7,8-tetrahydronaphthalene-2,5(3H,6H)-dione (41722-49-0)

Guidance literature:

2-methylcyclohexane-1,3-dione; 4-penten-3-one; With triethylamine; In tetrahydrofuran; Heating;

With L-phenylalanine; (1S)-10-camphorsulfonic acid; In N,N-dimethyl-formamide;

DOI:10.1016/S0960-894X(01)00210-4

upstream raw materials:

2-methylcyclohexane-1,3-dione

1-chloro-3-pentanone

2-methyl-2-(3-oxopentyl)-1,3-cyclohexanedione

4-penten-3-one

Downstream raw materials:

C₂₅H₃₄O₇

C₂₆H₄₀O₆

avarol dimethyl ether

(R)-((1S,8aS)-5,8a-dimethyl-6-oxo-1,2,3,4,6,7,8,8a-octahydronaphthalen-1-yl) 3,3,3-trifluoro-2-methoxy-2-phenylpropanoate

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