(R)-3-methyl-2-(tosylamino)butyl (2R,3S,4E)-3-hydroxy-2-methyl-5-phenylpent-4-enoate

Base Information

Chemical Name:(R)-3-methyl-2-(tosylamino)butyl (2R,3S,4E)-3-hydroxy-2-methyl-5-phenylpent-4-enoate
CAS No.:890409-91-3
Molecular Formula:C₂₄H₃₁NO₅S
Molecular Weight:445.58
Hs Code.:

Synonyms:(R)-3-methyl-2-(tosylamino)butyl (2R,3S,4E)-3-hydroxy-2-methyl-5-phenylpent-4-enoate

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Chemical Property of (R)-3-methyl-2-(tosylamino)butyl (2R,3S,4E)-3-hydroxy-2-methyl-5-phenylpent-4-enoate

Chemical Property:

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Technology Process of (R)-3-methyl-2-(tosylamino)butyl (2R,3S,4E)-3-hydroxy-2-methyl-5-phenylpent-4-enoate

There total 4 articles about (R)-3-methyl-2-(tosylamino)butyl (2R,3S,4E)-3-hydroxy-2-methyl-5-phenylpent-4-enoate 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: 85.0%

: 890409-90-2
(R)-3-methyl-2-(tosylamino)butyl propionate

: 14371-10-9
(E)-3-phenylpropenal

: 890409-91-3
(R)-3-methyl-2-(tosylamino)butyl (2R,3S,4E)-3-hydroxy-2-methyl-5-phenylpent-4-enoate

Guidance literature:: (R)-3-methyl-2-(tosylamino)butyl propionate; With titanium tetrachloride; N-ethyl-N,N-diisopropylamine; In dichloromethane; at 0 ℃; for 1h;

(E)-3-phenylpropenal; With titanium tetrachloride; In dichloromethane; at -78 ℃; for 1.5h;
DOI:10.1135/cccc20051696

Reference yield:

: 4276-09-9,473-75-6
(R)-2-amino-3-methylbutanol

: 890409-91-3
(R)-3-methyl-2-(tosylamino)butyl (2R,3S,4E)-3-hydroxy-2-methyl-5-phenylpent-4-enoate

Guidance literature:: Multi-step reaction with 3 steps

1.1: Et₃N / CH₂Cl₂ / 0 °C

2.1: 5.12 g / Et₃N / CH₂Cl₂ / 0 °C

3.1: (iPr)2NEt; TiCl₄ / CH₂Cl₂ / 1 h / 0 °C

3.2: 85 percent / TiCl₄ / CH₂Cl₂ / 1.5 h / -78 °C

With titanium tetrachloride; triethylamine; N-ethyl-N,N-diisopropylamine; In dichloromethane;
DOI:10.1135/cccc20051696

Reference yield:

: 98-59-9
p-toluenesulfonyl chloride

: 890409-91-3
(R)-3-methyl-2-(tosylamino)butyl (2R,3S,4E)-3-hydroxy-2-methyl-5-phenylpent-4-enoate

Guidance literature:: Multi-step reaction with 3 steps

1.1: Et₃N / CH₂Cl₂ / 0 °C

2.1: 5.12 g / Et₃N / CH₂Cl₂ / 0 °C

3.1: (iPr)2NEt; TiCl₄ / CH₂Cl₂ / 1 h / 0 °C

3.2: 85 percent / TiCl₄ / CH₂Cl₂ / 1.5 h / -78 °C

With titanium tetrachloride; triethylamine; N-ethyl-N,N-diisopropylamine; In dichloromethane;
DOI:10.1135/cccc20051696