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

Base Information

Chemical Name: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
CAS No.:203259-01-2
Molecular Formula:C₄₁H₅₃N₅O₆Si
Molecular Weight:739.987
Hs Code.:

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

Synonyms: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

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Chemical Property of 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

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Technology Process of 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

There total 3 articles about 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 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: 85.0%

: 97-72-3
2-Methylpropionic anhydride

: 203258-98-4
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

: 203259-01-2
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

Guidance literature:: With dmap; triethylamine; In dichloromethane; at 25 ℃; for 1h;
DOI:10.1016/S0040-4039(97)10627-X

Reference yield:

: 64722-98-1
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

: 203259-01-2
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

Guidance literature:: Multi-step reaction with 3 steps

1: 95 percent / NaH / tetrahydrofuran / 12 h / 25 °C

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

3: 85 percent / Et₃N, 4-DMAP / CH₂Cl₂ / 1 h / 25 °C

With dmap; potassium tert-butylate; sodium hydride; triethylamine; In tetrahydrofuran; dichloromethane; tert-butyl alcohol;
DOI:10.1016/S0040-4039(97)10627-X

Reference yield:

: 203259-00-1
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

: 203259-01-2
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

Guidance literature:: Multi-step reaction with 2 steps

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

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

With dmap; potassium tert-butylate; triethylamine; In dichloromethane; tert-butyl alcohol;
DOI:10.1016/S0040-4039(97)10627-X