(E)-(S)-4-(4-Methoxy-benzylsulfanyl)-2,4-dimethyl-pent-2-enedioic acid 1-tert-butyl ester 5-ethyl ester

Base Information

Chemical Name:(E)-(S)-4-(4-Methoxy-benzylsulfanyl)-2,4-dimethyl-pent-2-enedioic acid 1-tert-butyl ester 5-ethyl ester
CAS No.:188444-20-4
Molecular Formula:C₂₁H₃₀O₅S
Molecular Weight:394.532
Hs Code.:

Synonyms:(E)-(S)-4-(4-Methoxy-benzylsulfanyl)-2,4-dimethyl-pent-2-enedioic acid 1-tert-butyl ester 5-ethyl ester

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Chemical Property of (E)-(S)-4-(4-Methoxy-benzylsulfanyl)-2,4-dimethyl-pent-2-enedioic acid 1-tert-butyl ester 5-ethyl ester

Chemical Property:

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Technology Process of (E)-(S)-4-(4-Methoxy-benzylsulfanyl)-2,4-dimethyl-pent-2-enedioic acid 1-tert-butyl ester 5-ethyl ester

There total 5 articles about (E)-(S)-4-(4-Methoxy-benzylsulfanyl)-2,4-dimethyl-pent-2-enedioic acid 1-tert-butyl ester 5-ethyl 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: 79.0%

: 86302-43-4,35000-38-5
(tert-Butoxycarbonylmethylene)triphenylphosphorane

: 123401-95-6
Ethyl (2S)-2-formyl-2-(4-methoxybenzylthio)propanoate

: 188444-20-4
(E)-(S)-4-(4-Methoxy-benzylsulfanyl)-2,4-dimethyl-pent-2-enedioic acid 1-tert-butyl ester 5-ethyl ester

Guidance literature:: In benzene; for 9h; Heating;

Reference yield:

: 824-94-2
p-methoxybenzyl chloride

: 188444-20-4
(E)-(S)-4-(4-Methoxy-benzylsulfanyl)-2,4-dimethyl-pent-2-enedioic acid 1-tert-butyl ester 5-ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) KOH / 1.) EtOH, 7 min, 2.) 45 min

2: 1.) O₃, 2.) Me₂S / 1.) MeOH, -78 deg C, 25 min, 2.) -78 deg C to r.t., 3.5 h

3: 79 percent / benzene / 9 h / Heating

With potassium hydroxide; dimethylsulfide; ozone; In benzene;

Reference yield:

: 114191-20-7
O-(2S,3E)-4-Ethoxycarbonylpent-3-en-2-yl S-methyldithiocarbonate

: 188444-20-4
(E)-(S)-4-(4-Methoxy-benzylsulfanyl)-2,4-dimethyl-pent-2-enedioic acid 1-tert-butyl ester 5-ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 99 percent / 145 °C / 0.4 Torr

2: 1.) KOH / 1.) EtOH, 7 min, 2.) 45 min

3: 1.) O₃, 2.) Me₂S / 1.) MeOH, -78 deg C, 25 min, 2.) -78 deg C to r.t., 3.5 h

4: 79 percent / benzene / 9 h / Heating

With potassium hydroxide; dimethylsulfide; ozone; In benzene;