1,2,3,4,4a,9,10,10aβ-Octahydro-1,4aβ-dimethylphenanthrene-1β-carboxylic acid methyl ester

Base Information

• Chemical Name: 1,2,3,4,4a,9,10,10aβ-Octahydro-1,4aβ-dimethylphenanthrene-1β-carboxylic acid methyl ester
• CAS No.: 3745-36-6
• Molecular Formula: C₁₈H₂₄O₂
• Molecular Weight: 272.387
• Mol file: 3745-36-6.mol

Synonyms:(5β)-Podocarpa-8,11,13-trien-19-oic acid methyl ester;1,2,3,4,4a,9,10,10aβ-Octahydro-1,4aβ-dimethylphenanthrene-1β-carboxylic acid methyl ester

Chemical Property of 1,2,3,4,4a,9,10,10aβ-Octahydro-1,4aβ-dimethylphenanthrene-1β-carboxylic acid methyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

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Technology Process of 1,2,3,4,4a,9,10,10aβ-Octahydro-1,4aβ-dimethylphenanthrene-1β-carboxylic acid methyl ester

There total 2 articles about 1,2,3,4,4a,9,10,10aβ-Octahydro-1,4aβ-dimethylphenanthrene-1β-carboxylic acid methyl ester 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:

Methyl 2-[2-(2-bromophenyl)ethyl]-1-methyl-3-methylenecyclohexanecarboxylate → (+/-)-10-epi-methyl desoxypodocarpate (1686-43-7,2651-34-5,2726-94-5,3650-04-2,3745-36-6,15292-60-1,16957-27-0,24035-56-1,108395-86-4) + methyl 1β,4aβ-dimethyl-1,2,3,4,4a,9,10,10aα-octahydrophenanthrene-1α-carboxylate (1686-43-7,2651-34-5,2726-94-5,3650-04-2,3745-36-6,15292-60-1,16957-27-0,24035-56-1,108395-86-4) + (1S,2S)-1-Methyl-3-methylene-2-phenethyl-cyclohexanecarboxylic acid methyl ester

Guidance literature:

With palladium diacetate; sodium formate; triphenylphosphine; In N,N-dimethyl-formamide; at 95 - 100 ℃; for 36h;

Reference yield:

Methyl 2-[2-(2-bromophenyl)ethyl]-1-methyl-3-methylenecyclohexanecarboxylate → (+/-)-10-epi-methyl desoxypodocarpate (1686-43-7,2651-34-5,2726-94-5,3650-04-2,3745-36-6,15292-60-1,16957-27-0,24035-56-1,108395-86-4) + methyl 1β,4aβ-dimethyl-1,2,3,4,4a,9,10,10aα-octahydrophenanthrene-1α-carboxylate (1686-43-7,2651-34-5,2726-94-5,3650-04-2,3745-36-6,15292-60-1,16957-27-0,24035-56-1,108395-86-4) + (1S,2S)-1-Methyl-3-methylene-2-phenethyl-cyclohexanecarboxylic acid methyl ester

Guidance literature:

With palladium diacetate; sodium formate; triphenylphosphine; In N,N-dimethyl-formamide; at 95 - 100 ℃; for 36h;

Reference yield:

methyl 1β,4aβ-dimethyl-1,2,3,4,4a,9,10,10aα-octahydrophenanthrene-1α-carboxylate (1686-43-7,2651-34-5,2726-94-5,3650-04-2,3745-36-6,15292-60-1,16957-27-0,24035-56-1,108395-86-4) → (+/-)-Desisopropyl-dehydro-abietinsaeure (1028-04-2,1220-69-5,1220-70-8,1673-20-7,3604-88-4,4586-72-5,5708-75-8,10178-11-7,14029-36-8,57345-30-9,107457-20-5)

Guidance literature:

With 2,4,6-trimethyl-pyridine; lithium iodide; Heating;

DOI:10.1021/ja01064a026

Downstream raw materials:

rac-5β-podocarpa-8,11,13-trien-15-oic acid

(+/-)-Desisopropyl-dehydro-abietinsaeure

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