t-butyl 3-{3-[2-(7-cyanonaphthalen-2-yl)-2-hydroxyethyl]-4-(ethanesulfonyl)aminophenoxy}azetidine-1-carboxylate

Base Information

• Chemical Name: t-butyl 3-{3-[2-(7-cyanonaphthalen-2-yl)-2-hydroxyethyl]-4-(ethanesulfonyl)aminophenoxy}azetidine-1-carboxylate
• CAS No.: 319451-55-3
• Molecular Formula: C₂₉H₃₃N₃O₆S
• Molecular Weight: 551.664
• Mol file: 319451-55-3.mol

Synonyms:t-butyl 3-{3-[2-(7-cyanonaphthalen-2-yl)-2-hydroxyethyl]-4-(ethanesulfonyl)aminophenoxy}azetidine-1-carboxylate

Chemical Property of t-butyl 3-{3-[2-(7-cyanonaphthalen-2-yl)-2-hydroxyethyl]-4-(ethanesulfonyl)aminophenoxy}azetidine-1-carboxylate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of t-butyl 3-{3-[2-(7-cyanonaphthalen-2-yl)-2-hydroxyethyl]-4-(ethanesulfonyl)aminophenoxy}azetidine-1-carboxylate

There total 6 articles about t-butyl 3-{3-[2-(7-cyanonaphthalen-2-yl)-2-hydroxyethyl]-4-(ethanesulfonyl)aminophenoxy}azetidine-1-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: 76.0%

t-butyl 3-{4-amino-3-[2-(7-cyanonaphthalen-2-yl)-2-hydroxyethyl]phenoxy}azetidine-1-carboxylate (319451-54-2) + Ethanesulfonyl chloride (594-44-5) → t-butyl 3-{3-[2-(7-cyanonaphthalen-2-yl)-2-hydroxyethyl]-4-(ethanesulfonyl)aminophenoxy}azetidine-1-carboxylate (319451-55-3)

Guidance literature:

With pyridine; In dichloromethane; N,N-dimethyl acetamide; at 20 ℃; for 7h;

DOI:10.1248/cpb.54.163

Reference yield:

tert-butyl 3-(4-nitrophenoxy)azetidine-1-carboxylate (319451-51-9) → t-butyl 3-{3-[2-(7-cyanonaphthalen-2-yl)-2-hydroxyethyl]-4-(ethanesulfonyl)aminophenoxy}azetidine-1-carboxylate (319451-55-3)

Guidance literature:

Multi-step reaction with 4 steps

1.1: tetrahydrofuran; diethyl ether / 1 h / -5 °C

1.2: 46 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / tetrahydrofuran; diethyl ether / 3.5 h / 0 °C

2.1: TBAF*H₂O / tetrahydrofuran / 1 h / -10 °C

2.2: 64 percent / aq. TBAF / tetrahydrofuran / 1 h / 20 °C

3.1: 38 percent / H₂ / Pd/C / ethanol; tetrahydrofuran / 8 h / 20 °C

4.1: 76 percent / pyridine / N,N-dimethyl-acetamide; CH₂Cl₂ / 7 h / 20 °C

With pyridine; tetrabutyl ammonium fluoride; hydrogen; palladium on activated charcoal; In tetrahydrofuran; diethyl ether; ethanol; dichloromethane; N,N-dimethyl acetamide;

DOI:10.1248/cpb.54.163

Reference yield:

tert-butyl 3-[4-nitro-3-(trimethylsilylmethyl)phenoxy]azetidine-1-carboxylate (319451-52-0) → t-butyl 3-{3-[2-(7-cyanonaphthalen-2-yl)-2-hydroxyethyl]-4-(ethanesulfonyl)aminophenoxy}azetidine-1-carboxylate (319451-55-3)

Guidance literature:

Multi-step reaction with 3 steps

1.1: TBAF*H₂O / tetrahydrofuran / 1 h / -10 °C

1.2: 64 percent / aq. TBAF / tetrahydrofuran / 1 h / 20 °C

2.1: 38 percent / H₂ / Pd/C / ethanol; tetrahydrofuran / 8 h / 20 °C

3.1: 76 percent / pyridine / N,N-dimethyl-acetamide; CH₂Cl₂ / 7 h / 20 °C

With pyridine; tetrabutyl ammonium fluoride; hydrogen; palladium on activated charcoal; In tetrahydrofuran; ethanol; dichloromethane; N,N-dimethyl acetamide;

DOI:10.1248/cpb.54.163

upstream raw materials:

t-butyl 3-{4-amino-3-[2-(7-cyanonaphthalen-2-yl)-2-hydroxyethyl]phenoxy}azetidine-1-carboxylate

Ethanesulfonyl chloride

tert-butyl 3-(4-nitrophenoxy)azetidine-1-carboxylate

tert-butyl 3-[4-nitro-3-(trimethylsilylmethyl)phenoxy]azetidine-1-carboxylate