3-diphenylmethylene-1,1,2,4-tetramethylpyrrolidinium iodide

Base Information

Chemical Name:3-diphenylmethylene-1,1,2,4-tetramethylpyrrolidinium iodide
CAS No.:51208-18-5
Molecular Formula:C₂₁H₂₆N*I
Molecular Weight:419.349
Hs Code.:

Synonyms:

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Chemical Property of 3-diphenylmethylene-1,1,2,4-tetramethylpyrrolidinium iodide

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Technology Process of 3-diphenylmethylene-1,1,2,4-tetramethylpyrrolidinium iodide

There total 10 articles about 3-diphenylmethylene-1,1,2,4-tetramethylpyrrolidinium iodide 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: 78.0%

: 51208-17-4,109005-33-6
cis-1,2,4-trimethyl-3-diphenylmethylenepyrrolidine

: 74-88-4
methyl iodide

: 51208-18-5,109005-34-7
3-diphenylmethylene-1,1,2,4-tetramethylpyrrolidinium iodide

Guidance literature:: In diethyl ether; Ambient temperature;
DOI:10.1248/cpb.34.3606

Reference yield: 51.0%

: 51208-17-4,109005-33-6
trans-1,2,4-trimethyl-3-diphenylmethylenepyrrolidine

: 74-88-4
methyl iodide

: 51208-18-5,109005-34-7
3-diphenylmethylene-1,1,2,4-tetramethylpyrrolidinium iodide

Guidance literature:: In diethyl ether; Ambient temperature;
DOI:10.1248/cpb.34.3606

Reference yield:

: 34197-58-5
ethyl 2-acetyl-3-methyl-4-nitrobutyrate

: 51208-18-5,109005-34-7
3-diphenylmethylene-1,1,2,4-tetramethylpyrrolidinium iodide

Guidance literature:: Multi-step reaction with 5 steps

1: 63 percent / hydrogen / Raney Ni / ethanol / 8 h / 90 °C / 121600 Torr

2: 66 percent / formic acid / H₂O / 12 h / 80 - 90 °C

3: 84 percent / tetrahydrofuran / 1.) r.t., 2 d; 2.) reflux, 5 h

4: 20 percent H₂SO₄ / H₂O; acetic acid / 60 h / Heating

5: 78 percent / diethyl ether / Ambient temperature

With formic acid; sulfuric acid; hydrogen; nickel; In tetrahydrofuran; diethyl ether; ethanol; water; acetic acid;
DOI:10.1248/cpb.34.3606