Thiocarbonic acid O-[(2R,3R,3aS,9aR)-2-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-5,5,7,7-tetraisopropyl-tetrahydro-4,6,8-trioxa-1-thia-5,7-disila-cyclopentacycloocten-3-yl] ester O-phenyl ester

Base Information

Chemical Name:Thiocarbonic acid O-[(2R,3R,3aS,9aR)-2-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-5,5,7,7-tetraisopropyl-tetrahydro-4,6,8-trioxa-1-thia-5,7-disila-cyclopentacycloocten-3-yl] ester O-phenyl ester
CAS No.:166249-04-3
Molecular Formula:C₂₈H₄₂N₂O₇S₂Si₂
Molecular Weight:638.954
Hs Code.:

Thiocarbonic acid O-[(2R,3R,3aS,9aR)-2-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-5,5,7,7-tetraisopropyl-tetrahydro-4,6,8-trioxa-1-thia-5,7-disila-cyclopentacycloocten-3-yl] ester O-phenyl ester

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Chemical Property of Thiocarbonic acid O-[(2R,3R,3aS,9aR)-2-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-5,5,7,7-tetraisopropyl-tetrahydro-4,6,8-trioxa-1-thia-5,7-disila-cyclopentacycloocten-3-yl] ester O-phenyl ester

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Technology Process of Thiocarbonic acid O-[(2R,3R,3aS,9aR)-2-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-5,5,7,7-tetraisopropyl-tetrahydro-4,6,8-trioxa-1-thia-5,7-disila-cyclopentacycloocten-3-yl] ester O-phenyl ester

There total 2 articles about Thiocarbonic acid O-[(2R,3R,3aS,9aR)-2-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-5,5,7,7-tetraisopropyl-tetrahydro-4,6,8-trioxa-1-thia-5,7-disila-cyclopentacycloocten-3-yl] ester O-phenyl 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:

: 69304-37-6
1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane

: 166249-04-3
Thiocarbonic acid O-[(2R,3R,3aS,9aR)-2-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-5,5,7,7-tetraisopropyl-tetrahydro-4,6,8-trioxa-1-thia-5,7-disila-cyclopentacycloocten-3-yl] ester O-phenyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 61 percent / pyridine / Ambient temperature

2: DMAP / Ambient temperature

With pyridine; dmap;
DOI:10.1016/S0040-4039(00)78346-8

Reference yield:

: 166249-03-2
1-[3,5-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-4-thio-β-D-ribofuranosyl]uracil

: 1005-56-7
phenylcarbonochloridothioate

: 166249-04-3
Thiocarbonic acid O-[(2R,3R,3aS,9aR)-2-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-5,5,7,7-tetraisopropyl-tetrahydro-4,6,8-trioxa-1-thia-5,7-disila-cyclopentacycloocten-3-yl] ester O-phenyl ester

Guidance literature:: With dmap; Ambient temperature;
DOI:10.1016/S0040-4039(00)78346-8

Reference yield:

: 166249-04-3
Thiocarbonic acid O-[(2R,3R,3aS,9aR)-2-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-5,5,7,7-tetraisopropyl-tetrahydro-4,6,8-trioxa-1-thia-5,7-disila-cyclopentacycloocten-3-yl] ester O-phenyl ester

: 166249-11-2
1-((2R,4S,5R)-4-Fluoro-5-trityloxymethyl-tetrahydro-thiophen-2-yl)-3-(2-methoxy-ethoxymethyl)-1H-pyrimidine-2,4-dione

Guidance literature:: Multi-step reaction with 5 steps

1: Bu₃SnH, Et₃B

2: 78 percent / Et₃N / tetrahydrofuran / 80 °C

3: 63 percent / n-Bu₄F / tetrahydrofuran / Ambient temperature

4: 79 percent / pyridine / 100 °C

5: 1.) DAST; 2.) KF / 1.) CH₂Cl₂, -78 deg C, 15 min.; 2.) CH₂Cl₂, rt., 5h

With pyridine; potassium fluoride; triethyl borane; tri-n-butyl-tin hydride; triethylamine; 4,4'-diaminostilbene-2,2'-disulfonic acid; In tetrahydrofuran;
DOI:10.1016/S0040-4039(00)78346-8