(2R)-ethyl 2-(tert-butyloxycarbonyl)amino-6-<(p-toluenesulfonyl)oxy>heptanoate

Base Information

Chemical Name:(2R)-ethyl 2-(tert-butyloxycarbonyl)amino-6-<(p-toluenesulfonyl)oxy>heptanoate
CAS No.:136736-10-2
Molecular Formula:C₂₀H₃₁NO₇S
Molecular Weight:429.535
Hs Code.:

Synonyms:(2R)-ethyl 2-(tert-butyloxycarbonyl)amino-6-<(p-toluenesulfonyl)oxy>heptanoate

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Chemical Property of (2R)-ethyl 2-(tert-butyloxycarbonyl)amino-6-<(p-toluenesulfonyl)oxy>heptanoate

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Technology Process of (2R)-ethyl 2-(tert-butyloxycarbonyl)amino-6-<(p-toluenesulfonyl)oxy>heptanoate

There total 5 articles about (2R)-ethyl 2-(tert-butyloxycarbonyl)amino-6-<(p-toluenesulfonyl)oxy>heptanoate 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: 93.8%

: 136707-44-3
(2R)-ethyl 2-(tert-butoxycarbonyl)amino-6-hydroxyheptanoate

: 98-59-9
p-toluenesulfonyl chloride

: 136736-10-2
(2R)-ethyl 2-(tert-butyloxycarbonyl)amino-6-<(p-toluenesulfonyl)oxy>heptanoate

Guidance literature:: With dmap; triethylamine; In dichloromethane; for 2h;
DOI:10.1021/ja00024a038

Reference yield:

: 136707-37-4
(3R,5R,6S)-4-(benzyloxycarbonyl)-5,6-diphenyl-3-(4'-iodobutyl)-2,3,5,6-tetrahydro-4H-1,4-oxazin-2-one

: 136736-10-2
(2R)-ethyl 2-(tert-butyloxycarbonyl)amino-6-<(p-toluenesulfonyl)oxy>heptanoate

Guidance literature:: Multi-step reaction with 5 steps

1: 80.6 percent / dimethylformamide / 4 h / 80 °C

2: H₂ / PdCl₂ / tetrahydrofuran; ethanol / 20 h / 2585.7 Torr

3: 1 N HCl / 2 h / Heating

4: 83 percent / Et₃N, DMAP / H₂O; acetonitrile / 24 h

5: 93.8 percent / Et₃N, DMAP / CH₂Cl₂ / 2 h

With hydrogenchloride; dmap; hydrogen; triethylamine; palladium dichloride; In tetrahydrofuran; ethanol; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1021/ja00024a038

Reference yield:

: 136707-39-6
(3R,5R,6S)-4-(benzyloxycarbonyl)-5,6-diphenyl-3-<4'-(acetyloxy)butyl>-2,3,5,6-tetrahydro-4H-1,4-oxazin-2-one

: 136736-10-2
(2R)-ethyl 2-(tert-butyloxycarbonyl)amino-6-<(p-toluenesulfonyl)oxy>heptanoate

Guidance literature:: Multi-step reaction with 4 steps

1: H₂ / PdCl₂ / tetrahydrofuran; ethanol / 20 h / 2585.7 Torr

2: 1 N HCl / 2 h / Heating

3: 83 percent / Et₃N, DMAP / H₂O; acetonitrile / 24 h

4: 93.8 percent / Et₃N, DMAP / CH₂Cl₂ / 2 h

With hydrogenchloride; dmap; hydrogen; triethylamine; palladium dichloride; In tetrahydrofuran; ethanol; dichloromethane; water; acetonitrile;
DOI:10.1021/ja00024a038