(2S,3R)-1-((S)-1-Benzenesulfonyl-pyrrolidine-2-carbonyl)-3-ethyl-1,2,3,6-tetrahydro-pyridine-2,3-dicarboxylic acid 2-tert-butyl ester 3-methyl ester

Base Information

Chemical Name:(2S,3R)-1-((S)-1-Benzenesulfonyl-pyrrolidine-2-carbonyl)-3-ethyl-1,2,3,6-tetrahydro-pyridine-2,3-dicarboxylic acid 2-tert-butyl ester 3-methyl ester
CAS No.:104072-61-9
Molecular Formula:C₂₅H₃₄N₂O₇S
Molecular Weight:506.62
Hs Code.:

(2S,3R)-1-((S)-1-Benzenesulfonyl-pyrrolidine-2-carbonyl)-3-ethyl-1,2,3,6-tetrahydro-pyridine-2,3-dicarboxylic acid 2-tert-butyl ester 3-methyl ester

Synonyms:(2S,3R)-1-((S)-1-Benzenesulfonyl-pyrrolidine-2-carbonyl)-3-ethyl-1,2,3,6-tetrahydro-pyridine-2,3-dicarboxylic acid 2-tert-butyl ester 3-methyl ester

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Chemical Property of (2S,3R)-1-((S)-1-Benzenesulfonyl-pyrrolidine-2-carbonyl)-3-ethyl-1,2,3,6-tetrahydro-pyridine-2,3-dicarboxylic acid 2-tert-butyl ester 3-methyl ester

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Technology Process of (2S,3R)-1-((S)-1-Benzenesulfonyl-pyrrolidine-2-carbonyl)-3-ethyl-1,2,3,6-tetrahydro-pyridine-2,3-dicarboxylic acid 2-tert-butyl ester 3-methyl ester

There total 7 articles about (2S,3R)-1-((S)-1-Benzenesulfonyl-pyrrolidine-2-carbonyl)-3-ethyl-1,2,3,6-tetrahydro-pyridine-2,3-dicarboxylic acid 2-tert-butyl ester 3-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: 94.0%

: 72922-83-9
(S)‐1‐(phenylsulfonyl)pyrrolidine‐2‐carbonyl chloride

: 104072-58-4
α-tert-butyl β-methyl (2S,3R)-3-ethyl-Δ⁴-hexahydroquinolinate

: 104072-61-9
(2S,3R)-1-((S)-1-Benzenesulfonyl-pyrrolidine-2-carbonyl)-3-ethyl-1,2,3,6-tetrahydro-pyridine-2,3-dicarboxylic acid 2-tert-butyl ester 3-methyl ester

Guidance literature:: With 4-methyl-morpholine; In acetonitrile; at 0 ℃; for 0.75h;
DOI:10.1021/jo00370a025

Reference yield:

: 104090-01-9
α-tert-butyl β-methyl L-N-(3-chloropropyl)aspartate

: 104072-61-9
(2S,3R)-1-((S)-1-Benzenesulfonyl-pyrrolidine-2-carbonyl)-3-ethyl-1,2,3,6-tetrahydro-pyridine-2,3-dicarboxylic acid 2-tert-butyl ester 3-methyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: potassium phosphate, lead nitrate / acetonitrile / 28 h / Ambient temperature

2: sodium iodide / acetonitrile / 28 h / 65 °C

4: 1.) LDA, hexamethylphosphoramide / 1.) THF, hexane, -78 deg C, 1 h, 2.) THF, hexane, -78 deg C, 6 h

5: aq. trifluoroacetic acid / acetonitrile / 2 h / 0 - 20 °C

6: 94 percent / N-methylmorpholine / acetonitrile / 0.75 h / 0 °C

With 4-methyl-morpholine; N,N,N,N,N,N-hexamethylphosphoric triamide; potassium phosphate; lead(II) nitrate; trifluoroacetic acid; sodium iodide; lithium diisopropyl amide; In acetonitrile;
DOI:10.1021/jo00370a025

Reference yield:

: 104072-56-2
α-tert-butyl β-methyl (2S)-N-(9-phenylfluorenyl)-Δ³-tetrahydroquinolinate

: 104072-61-9
(2S,3R)-1-((S)-1-Benzenesulfonyl-pyrrolidine-2-carbonyl)-3-ethyl-1,2,3,6-tetrahydro-pyridine-2,3-dicarboxylic acid 2-tert-butyl ester 3-methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) LDA, hexamethylphosphoramide / 1.) THF, hexane, -78 deg C, 1 h, 2.) THF, hexane, -78 deg C, 6 h

2: aq. trifluoroacetic acid / acetonitrile / 2 h / 0 - 20 °C

3: 94 percent / N-methylmorpholine / acetonitrile / 0.75 h / 0 °C

With 4-methyl-morpholine; N,N,N,N,N,N-hexamethylphosphoric triamide; trifluoroacetic acid; lithium diisopropyl amide; In acetonitrile;
DOI:10.1021/jo00370a025