2,4,6-Triisopropyl-benzenesulfonic acid 1-{(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl ester

Base Information

• Chemical Name: 2,4,6-Triisopropyl-benzenesulfonic acid 1-{(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl ester
• CAS No.: 203259-00-1
• Molecular Formula: C₅₁H₆₆N₂O₈SSi
• Molecular Weight: 895.245
• Mol file: 203259-00-1.mol

Synonyms:2,4,6-Triisopropyl-benzenesulfonic acid 1-{(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl ester

Chemical Property of 2,4,6-Triisopropyl-benzenesulfonic acid 1-{(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,4,6-Triisopropyl-benzenesulfonic acid 1-{(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl ester

There total 1 articles about 2,4,6-Triisopropyl-benzenesulfonic acid 1-{(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl 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: 95.0%

2,4,6-triisopropylphenylsulfonyl chloride (6553-96-4) + 1-{(2R,4S,5R)-4-(tert-Butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-1H-pyrimidine-2,4-dione (64722-98-1) → 2,4,6-Triisopropyl-benzenesulfonic acid 1-{(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl ester (203259-00-1)

Guidance literature:

With sodium hydride; In tetrahydrofuran; at 25 ℃; for 12h;

DOI:10.1016/S0040-4039(97)10627-X

Reference yield:

guanidine hydrochloride (50-01-1) + 2,4,6-Triisopropyl-benzenesulfonic acid 1-{(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl ester (203259-00-1) → N-(1-{(2R,4S,5R)-4-(tert-Butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl)-guanidine (203258-98-4)

Guidance literature:

With potassium tert-butylate; In tert-butyl alcohol; at 25 ℃; for 4h; Yield given;

DOI:10.1016/S0040-4039(97)10627-X

Reference yield:

2,4,6-Triisopropyl-benzenesulfonic acid 1-{(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl ester (203259-00-1) → Diisopropyl-phosphoramidous acid 2-cyano-ethyl ester (2R,3S,5R)-5-[4-(N'-isobutyryl-guanidino)-5-methyl-2-oxo-2H-pyrimidin-1-yl]-2-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-3-yl ester

Guidance literature:

Multi-step reaction with 4 steps

1: t-BuOK / 2-methyl-propan-2-ol / 4 h / 25 °C

2: 85 percent / Et₃N, 4-DMAP / CH₂Cl₂ / 1 h / 25 °C

3: 90 percent / Bu₄NF / tetrahydrofuran / 2 h / 25 °C

4: 75 percent / tetrazole / CH₂Cl₂ / 3 h / 25 °C

With 1H-tetrazole; dmap; potassium tert-butylate; tetrabutyl ammonium fluoride; triethylamine; In tetrahydrofuran; dichloromethane; tert-butyl alcohol;

DOI:10.1016/S0040-4039(97)10627-X

upstream raw materials:

2,4,6-triisopropylphenylsulfonyl chloride

1-{(2R,4S,5R)-4-(tert-Butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-1H-pyrimidine-2,4-dione

Downstream raw materials:

N-(1-{(2R,4S,5R)-4-(tert-Butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl)-guanidine

N-(1-{(2R,4S,5R)-4-Hydroxy-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl)-N'-isobutyryl-guanidine

N-(1-{(2R,4S,5R)-4-(tert-Butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-2-oxo-1,2-dihydro-pyrimidin-4-yl)-N'-isobutyryl-guanidine