<3S-<3α(S^*),4β>>-t-butyl 1-(2,4-dimethoxybenzyl)-3-(1-hydroxyethyl)-2-azetidinone-4-carboxylate

Base Information

• Chemical Name: <3S-<3α(S^*),4β>>-t-butyl 1-(2,4-dimethoxybenzyl)-3-(1-hydroxyethyl)-2-azetidinone-4-carboxylate
• CAS No.: 80829-72-7
• Molecular Formula: C₁₉H₂₇NO₆
• Molecular Weight: 365.426
• Mol file: 80829-72-7.mol

Synonyms:<3S-<3α(S^*),4β>>-t-butyl 1-(2,4-dimethoxybenzyl)-3-(1-hydroxyethyl)-2-azetidinone-4-carboxylate

Chemical Property of <3S-<3α(S^*),4β>>-t-butyl 1-(2,4-dimethoxybenzyl)-3-(1-hydroxyethyl)-2-azetidinone-4-carboxylate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of <3S-<3α(S^*),4β>>-t-butyl 1-(2,4-dimethoxybenzyl)-3-(1-hydroxyethyl)-2-azetidinone-4-carboxylate

There total 14 articles about <3S-<3α(S^*),4β>>-t-butyl 1-(2,4-dimethoxybenzyl)-3-(1-hydroxyethyl)-2-azetidinone-4-carboxylate 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%

(+/-)-<3α(S*),4β>-t-butyl-1-(2,4-dimethoxybenzyl)-3-(1-t-butoxycarbonylcarboxyethyl)-2-azetidinone-4-carboxylate (85486-88-0,87392-22-1) → (+/-)-<3α(S*),4β>-t-butyl-1-(2,4-dimethoxybenzyl)-3-(1-hydroxyethyl)-2-azetidinone-4-carboxylate (80829-72-7,85550-28-3)

Guidance literature:

With 1,8-diazabicyclo[5.4.0]undec-7-ene; In tetrahydrofuran; water; for 1h; Heating;

DOI:10.1016/S0040-4020(01)91966-0

Reference yield: 4.8%

(2S,3R)-N-(2,4-dimethoxybenzyl)-N-(t-butoxycarbonylmethyl)-2,3-epoxybutyramide (81902-68-3) → <3S-<3α(S*),4β>>-t-butyl 1-(2,4-dimethoxybenzyl)-3-(1-hydroxyethyl)-2-azetidinone-4-carboxylate (80829-72-7) + <3S-<3α(S*),4α>>-t-butyl 1-(2,4-dimethoxybenzyl)-3-(1-hydroxyethyl)-2-azetidinone-4-carboxylate (80829-72-7,85550-28-3)

Guidance literature:

With lithium hexamethyldisilazane; In tetrahydrofuran; at -78 ℃; for 3h;

DOI:10.1016/S0040-4020(01)91132-9

Reference yield: 4.8%

(2S,3R)-N-(2,4-dimethoxybenzyl)-N-(t-butoxycarbonylmethyl)-2,3-epoxybutyramide (81902-68-3) → <3S-<3α(S*),4β>>-t-butyl 1-(2,4-dimethoxybenzyl)-3-(1-hydroxyethyl)-2-azetidinone-4-carboxylate (80829-72-7) + <3S-<3α(S*),4α>>-t-butyl 1-(2,4-dimethoxybenzyl)-3-(1-hydroxyethyl)-2-azetidinone-4-carboxylate (80829-72-7,85550-28-3)

Guidance literature:

With lithium hexamethyldisilazane; In tetrahydrofuran; at -78 ℃; for 3h;

DOI:10.1016/S0040-4020(01)91132-9

upstream raw materials:

(2S,3R)-N-(2,4-dimethoxybenzyl)-N-(t-butoxycarbonylmethyl)-2-bromo-3-hydroxybutyramide

(2S,3R)-N-(2,4-dimethoxybenzyl)-N-(t-butoxycarbonylmethyl)-2,3-epoxybutyramide

bromoacetic acid tert-butyl ester

2,4-dimethoxybenzylamine hydrochloride

Downstream raw materials:

(2S,3S)-1-(2,4-Dimethoxy-benzyl)-3-((R)-1-hydroxy-ethyl)-4-oxo-azetidine-2-carboxylic acid methyl ester

(2S,3S)-1-(2,4-Dimethoxy-benzyl)-3-((R)-1-hydroxy-ethyl)-4-oxo-azetidine-2-carboxylic acid

<3S-<3α(S^*),4β>>-1-(2,4-dimethoxybenzyl)-3-(1-t-butyldimethylsilyloxyethyl)-4-acetyl-2-azetidinone

(3S,4R)-3-<(R)-1-hydroxyethyl>-4-<(benzyloxycarbonyl)methyl>-2-azetidinone