(1R,3S,4R,7S)-1-(4,4'-dimethoxytrityloxymethyl)-3-(4-fluoro-3-methylphenyl)-7-hydroxy-2,5-dioxabicyclo[2.2.1]heptane

Base Information

Chemical Name:(1R,3S,4R,7S)-1-(4,4'-dimethoxytrityloxymethyl)-3-(4-fluoro-3-methylphenyl)-7-hydroxy-2,5-dioxabicyclo[2.2.1]heptane
CAS No.:501012-42-6
Molecular Formula:C₃₄H₃₃FO₆
Molecular Weight:556.631
Hs Code.:

Synonyms:(1R,3S,4R,7S)-1-(4,4'-dimethoxytrityloxymethyl)-3-(4-fluoro-3-methylphenyl)-7-hydroxy-2,5-dioxabicyclo[2.2.1]heptane

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Chemical Property of (1R,3S,4R,7S)-1-(4,4'-dimethoxytrityloxymethyl)-3-(4-fluoro-3-methylphenyl)-7-hydroxy-2,5-dioxabicyclo[2.2.1]heptane

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Technology Process of (1R,3S,4R,7S)-1-(4,4'-dimethoxytrityloxymethyl)-3-(4-fluoro-3-methylphenyl)-7-hydroxy-2,5-dioxabicyclo[2.2.1]heptane

There total 15 articles about (1R,3S,4R,7S)-1-(4,4'-dimethoxytrityloxymethyl)-3-(4-fluoro-3-methylphenyl)-7-hydroxy-2,5-dioxabicyclo[2.2.1]heptane 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: 61.0%

: 40615-36-9
4,4'-dimethoxytrityl chloride

: 501012-38-0
(1S,3S,4R,7S)-3-(4-fluoro-3-methylphenyl)-7-hydroxy-1-hydroxymethyl-2,5-dioxabicyclo[2.2.1]heptane

: 501012-42-6
(1R,3S,4R,7S)-1-(4,4'-dimethoxytrityloxymethyl)-3-(4-fluoro-3-methylphenyl)-7-hydroxy-2,5-dioxabicyclo[2.2.1]heptane

Guidance literature:: With pyridine; at 20 ℃; for 4h;

Reference yield:

: 225233-48-7
4-C-hydroxymethyl-1,2-O-isopropylidene-3,5-di-O-p-methoxybenzyl-α-D-ribo-pentofuranose

: 501012-42-6
(1R,3S,4R,7S)-1-(4,4'-dimethoxytrityloxymethyl)-3-(4-fluoro-3-methylphenyl)-7-hydroxy-2,5-dioxabicyclo[2.2.1]heptane

Guidance literature:: Multi-step reaction with 8 steps

1: 89 percent / pyridine / 20 °C

2: aq. HCl / 72 h / 20 °C

3: NaH / dimethylformamide; various solvent(s) / 12 h / 20 °C

4: 82 percent / aq. AcOH / 4 h / 50 °C

5: 85 percent / tetrahydrofuran / 12 h / 0 °C

6: 84 percent / TMAD; tributylphosphine / benzene / 12 h / 20 °C

7: 67 percent / DDQ; H₂O / CH₂Cl₂ / 4 h / 20 °C

8: 61 percent / pyridine / 4 h / 20 °C

With pyridine; hydrogenchloride; tributylphosphine; diamide; water; sodium hydride; acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; benzene; 5: Grignard reaction;

Reference yield:

: 501012-24-4
methyl 4-C-methanesulfonyloxymethyl-3,5-di-O-(p-methoxybenzyl)-α,β-D-ribofuranose

: 501012-42-6
(1R,3S,4R,7S)-1-(4,4'-dimethoxytrityloxymethyl)-3-(4-fluoro-3-methylphenyl)-7-hydroxy-2,5-dioxabicyclo[2.2.1]heptane

Guidance literature:: Multi-step reaction with 6 steps

1: NaH / dimethylformamide; various solvent(s) / 12 h / 20 °C

2: 82 percent / aq. AcOH / 4 h / 50 °C

3: 85 percent / tetrahydrofuran / 12 h / 0 °C

4: 84 percent / TMAD; tributylphosphine / benzene / 12 h / 20 °C

5: 67 percent / DDQ; H₂O / CH₂Cl₂ / 4 h / 20 °C

6: 61 percent / pyridine / 4 h / 20 °C

With pyridine; tributylphosphine; diamide; water; sodium hydride; acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; benzene; 3: Grignard reaction;