(3R,4S)-1-(p-anisyl)-3-acetyl-4-<(R)-1-(t-butyldiphenylsilyloxymethyl)ethyl>-2-azetidinone

Base Information

• Chemical Name: (3R,4S)-1-(p-anisyl)-3-acetyl-4-<(R)-1-(t-butyldiphenylsilyloxymethyl)ethyl>-2-azetidinone
• CAS No.: 111865-68-0
• Molecular Formula: C₃₁H₃₇NO₄Si
• Molecular Weight: 515.725

Synonyms:(3R,4S)-1-(p-anisyl)-3-acetyl-4-<(R)-1-(t-butyldiphenylsilyloxymethyl)ethyl>-2-azetidinone

Chemical Property of (3R,4S)-1-(p-anisyl)-3-acetyl-4-<(R)-1-(t-butyldiphenylsilyloxymethyl)ethyl>-2-azetidinone

Chemical Property:

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Technology Process of (3R,4S)-1-(p-anisyl)-3-acetyl-4-<(R)-1-(t-butyldiphenylsilyloxymethyl)ethyl>-2-azetidinone

There total 3 articles about (3R,4S)-1-(p-anisyl)-3-acetyl-4-<(R)-1-(t-butyldiphenylsilyloxymethyl)ethyl>-2-azetidinone 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: 10.0%

4-methyleneoxetan-2-one (674-82-8,2130-41-8) + [(R)-3-(tert-Butyl-diphenyl-silanyloxy)-2-methyl-prop-(E)-ylidene]-(4-methoxy-phenyl)-amine (111865-86-2) → (3R,4S)-1-(p-anisyl)-3-acetyl-4-<(R)-1-(t-butyldiphenylsilyloxymethyl)ethyl>-2-azetidinone (111865-68-0)

Guidance literature:

1H-imidazole; In tetrahydrofuran; at -30 ℃; for 15h;

DOI:10.1016/S0040-4039(00)85442-8 DOI:10.1016/S0040-4020(01)81722-1

Reference yield:

(2S)-3-{[tert-butyl(diphenyl)silyl]oxy}-2-methylpropanal (92817-88-4) → (3R,4S)-1-(p-anisyl)-3-acetyl-4-<(R)-1-(t-butyldiphenylsilyloxymethyl)ethyl>-2-azetidinone (111865-68-0)

Guidance literature:

Multi-step reaction with 2 steps

1: MgSO₄ / toluene / 1.5 h / 0 °C

2: 10 percent / imidazole / tetrahydrofuran / 15 h / -30 °C

With magnesium sulfate; 1H-imidazole; In tetrahydrofuran; toluene;

DOI:10.1016/S0040-4020(01)81722-1

Reference yield:

4-methoxy-aniline (104-94-9) → (3R,4S)-1-(p-anisyl)-3-acetyl-4-<(R)-1-(t-butyldiphenylsilyloxymethyl)ethyl>-2-azetidinone (111865-68-0)

Guidance literature:

Multi-step reaction with 2 steps

1: MgSO₄ / toluene / 1.5 h / 0 °C

2: 10 percent / imidazole / tetrahydrofuran / 15 h / -30 °C

With magnesium sulfate; 1H-imidazole; In tetrahydrofuran; toluene;

DOI:10.1016/S0040-4020(01)81722-1

upstream raw materials:

4-methyleneoxetan-2-one

[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-2-methyl-prop-(E)-ylidene]-(4-methoxy-phenyl)-amine

(2S)-3-{[tert-butyl(diphenyl)silyl]oxy}-2-methylpropanal

4-methoxy-aniline

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