5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<1-<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methyl>-4(R)-methyldihydro-2(3H)-furanone

Base Information

• Chemical Name: 5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<1-<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methyl>-4(R)-methyldihydro-2(3H)-furanone
• CAS No.: 137871-07-9
• Molecular Formula: C₃₆H₄₆O₅Si
• Molecular Weight: 586.844

Synonyms:5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<1-<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methyl>-4(R)-methyldihydro-2(3H)-furanone

Chemical Property of 5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<1-<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methyl>-4(R)-methyldihydro-2(3H)-furanone

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

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Useful:

Technology Process of 5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<1-<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methyl>-4(R)-methyldihydro-2(3H)-furanone

There total 6 articles about 5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<1-<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methyl>-4(R)-methyldihydro-2(3H)-furanone 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:

(Z)-5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methylene>-4(R)-methyldihydro-2(3H)-furanone (137871-06-8) → 5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<1-<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methyl>-4(R)-methyldihydro-2(3H)-furanone (137871-07-9)

Guidance literature:

With copper(l) iodide; sodium bis(2-methoxyethoxy)aluminium dihydride; iso-butanol; In tetrahydrofuran; 1) -78 deg C, 30 min, 2) -20 deg C, 2 h;

DOI:10.1021/jo00023a017

Reference yield:

5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<1-hydroxy-1-<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methyl>-4(R)-methyldihydro-2(3H)-furanone (137871-04-6,137941-10-7) → 5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<1-<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methyl>-4(R)-methyldihydro-2(3H)-furanone (137871-07-9)

Guidance literature:

Multi-step reaction with 3 steps

1: 98 percent / Et₃N / CH₂Cl₂ / 1.25 h / -10 °C

2: 98 percent / DBU / benzene / 12 h / Ambient temperature

3: 29.06 mg / CuI, Red-Al, 2-butanol / tetrahydrofuran / 1) -78 deg C, 30 min, 2) -20 deg C, 2 h

With copper(l) iodide; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; sodium bis(2-methoxyethoxy)aluminium dihydride; iso-butanol; In tetrahydrofuran; dichloromethane; benzene;

DOI:10.1021/jo00023a017

Reference yield:

5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<1-<(methanesulfonyl)oxy>-1-<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methyl>-4(R)-methyldihydro-2(3H)-furanone (137871-05-7,137941-11-8) → 5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<1-<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methyl>-4(R)-methyldihydro-2(3H)-furanone (137871-07-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 98 percent / DBU / benzene / 12 h / Ambient temperature

2: 29.06 mg / CuI, Red-Al, 2-butanol / tetrahydrofuran / 1) -78 deg C, 30 min, 2) -20 deg C, 2 h

With copper(l) iodide; 1,8-diazabicyclo[5.4.0]undec-7-ene; sodium bis(2-methoxyethoxy)aluminium dihydride; iso-butanol; In tetrahydrofuran; benzene;

DOI:10.1021/jo00023a017

upstream raw materials:

(Z)-5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methylene>-4(R)-methyldihydro-2(3H)-furanone

5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<1-hydroxy-1-<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methyl>-4(R)-methyldihydro-2(3H)-furanone

5(S)-<<(tert-Butyldiphenylsilyl)oxy>methyl>-3-<1-<(methanesulfonyl)oxy>-1-<4(S)-<5(R)-ethyl-6(R)-methyl-2(S)-phenyldioxanyl>>methyl>-4(R)-methyldihydro-2(3H)-furanone

5(R)-Ethyl-6(R)-methyl-2(S)-phenyl-1,3-dioxanemethanol

Downstream raw materials:

(4R,5S)-5-(tert-Butyl-diphenyl-silanyloxymethyl)-3-((2S,4R,5R,6R)-5-ethyl-6-methyl-2-phenyl-[1,3]dioxan-4-ylmethyl)-4-methyl-tetrahydro-furan-2-ol

4(S)-(Benzoyloxy)-2-<3-<(tert-butyldiphenylsilyl)oxy>-2(S)-(formyloxy)-1(S)-methylpropyl>-5(R)-ethyl-2(R)-hydroxy-6(R)-methyltetrahydro-2H-pyran

8(R)-(Benzoyloxy)-1-<(tert-butyldiphenylsilyl)oxy>-7(R)-ethyl-2(S)-(formylxoy)-6(S)-hydroxy-3(S)-methyl-4-nonanone

4(S)-<5-<(tert-Butyldiphenylsilyl)oxy>-4(R)-(formyloxy)-3(S)-methyl-2-oxopentyl>-5(R)-ethyl-6(R)-methyl-2(S)-phenyl-1,3-dioxane

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