Cyclopentapyrazole, 1,4,5,6-tetrahydro-3-methyl-1-(2-methyl-1-oxopropyl)- (9CI)

Base Information

• Chemical Name: Cyclopentapyrazole, 1,4,5,6-tetrahydro-3-methyl-1-(2-methyl-1-oxopropyl)- (9CI)
• CAS No.: 599199-50-5
• Molecular Formula: C11H16N2O
• Molecular Weight: 192.25754
• Mol file: 599199-50-5.mol

Synonyms:Cyclopentapyrazole, 1,4,5,6-tetrahydro-3-methyl-1-(2-methyl-1-oxopropyl)- (9CI)

Chemical Property of Cyclopentapyrazole, 1,4,5,6-tetrahydro-3-methyl-1-(2-methyl-1-oxopropyl)- (9CI)

Chemical Property:

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Technology Process of Cyclopentapyrazole, 1,4,5,6-tetrahydro-3-methyl-1-(2-methyl-1-oxopropyl)- (9CI)

There total 2 articles about Cyclopentapyrazole, 1,4,5,6-tetrahydro-3-methyl-1-(2-methyl-1-oxopropyl)- (9CI) 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: 30.0%

((3aS,6aR)-6a-Hydroxy-3-methyl-4,5,6,6a-tetrahydro-3aH-cyclopentapyrazol-1-yl)-phenyl-methanone + 1-benzoyl-1,4,6,6-tetrahydro-3-methyl-cyclopenta[c]pyrazole (546958-28-5) → 1,4,5,6-tetrahydro-3-methyl-1-(2-methyl-1-oxopropyl)-cyclopenta[c]pyrazole (599199-50-5) + 2,4,5,6-tetrahydro-3-methyl-2-(2-methyl-1-oxopropyl)-cyclopenta[c]pyrazole (599199-52-7) + 2-(2-benzoyl-2,2-dimethylacetyl)-2,4,5,6-tetrahydro-3-methylcyclopenta[c]pyrazole

Guidance literature:

With triethylamine; In benzene; for 4h; Heating;

DOI:10.1016/S0040-4020(03)00633-1

Reference yield: 25.0%

isobutyryl chloride (79-30-1) + ((3aS,6aR)-6a-Hydroxy-3-methyl-4,5,6,6a-tetrahydro-3aH-cyclopentapyrazol-1-yl)-phenyl-methanone → 1-benzoyl-1,4,6,6-tetrahydro-3-methyl-cyclopenta[c]pyrazole (546958-28-5) + 1,4,5,6-tetrahydro-3-methyl-1-(2-methyl-1-oxopropyl)-cyclopenta[c]pyrazole (599199-50-5) + (2S)-2,3-dihydro-2-methyl-3-(2-methyl-1-oxopropyl)-2-(2-oxocyclopentyl)-5-phenyl-1,3,4-oxadiazole + 3a-benzoyl-4,5,6,6a-tetrahydro-6a-hydroxy-3-methyl-1-(2,2-dimethylacetyl)-cyclopenta[c]pyrazole

Guidance literature:

With triethylamine; In benzene; for 8h; Further byproducts given; Heating;

DOI:10.1016/S0040-4020(03)00633-1

upstream raw materials:

isobutyryl chloride

1-benzoyl-1,4,6,6-tetrahydro-3-methyl-cyclopenta[c]pyrazole

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