(RS)-tert-butyl 2-benzyl-5-methyl-3-oxopyrazolidine-1-carboxylate

Base Information

• Chemical Name: (RS)-tert-butyl 2-benzyl-5-methyl-3-oxopyrazolidine-1-carboxylate
• CAS No.: 1258936-89-8
• Molecular Formula: C₁₆H₂₂N₂O₃
• Molecular Weight: 290.362
• Mol file: 1258936-89-8.mol

Synonyms:(RS)-tert-butyl 2-benzyl-5-methyl-3-oxopyrazolidine-1-carboxylate

Chemical Property of (RS)-tert-butyl 2-benzyl-5-methyl-3-oxopyrazolidine-1-carboxylate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (RS)-tert-butyl 2-benzyl-5-methyl-3-oxopyrazolidine-1-carboxylate

There total 1 articles about (RS)-tert-butyl 2-benzyl-5-methyl-3-oxopyrazolidine-1-carboxylate 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: 41.0%

benzyl bromide (100-39-0) + (RS)-tert-butyl 5-methyl-3-oxopyrazolidine-1-carboxylate (204197-21-7) → (RS)-tert-butyl 2-benzyl-5-methyl-3-oxopyrazolidine-1-carboxylate (1258936-89-8)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; at 20 ℃; for 2.5h;

DOI:10.1016/j.tet.2010.09.021

Reference yield: 76.0%

(RS)-tert-butyl 2-benzyl-5-methyl-3-oxopyrazolidine-1-carboxylate (1258936-89-8) → 2-benzyl-5-methyl-1-propylpyrazolidin-3-one (25292-25-5)

Guidance literature:

(RS)-tert-butyl 2-benzyl-5-methyl-3-oxopyrazolidine-1-carboxylate; With trifluoroacetic acid; In dichloromethane; at 20 ℃;

With triethylamine; In dichloromethane; at 20 ℃; for 0.25h;

DOI:10.1016/j.tet.2010.09.021

Reference yield: 26.0%

(RS)-tert-butyl 2-benzyl-5-methyl-3-oxopyrazolidine-1-carboxylate (1258936-89-8) + methyl iodide (74-88-4) → (RS)-tert-butyl 2-benzyl-4,4,5-trimethyl-3-oxopyrazolidine-1-carboxylate (1258936-98-9)

Guidance literature:

(RS)-tert-butyl 2-benzyl-5-methyl-3-oxopyrazolidine-1-carboxylate; With potassium hexamethylsilazane; In tetrahydrofuran; toluene; for 1.16667h;

methyl iodide; In tetrahydrofuran; toluene; at -78 - 20 ℃; for 2.5h;

DOI:10.1016/j.tet.2010.09.021

upstream raw materials:

benzyl bromide

(RS)-tert-butyl 5-methyl-3-oxopyrazolidine-1-carboxylate

Downstream raw materials:

2-benzyl-5-methyl-1-propylpyrazolidin-3-one

(RS)-tert-butyl 2-benzyl-4,4,5-trimethyl-3-oxopyrazolidine-1-carboxylate