Acetic acid (2R,3R,4R,4aR,7S,8S,8aS)-7-acetoxy-5-acetyl-3,4-bis-benzyloxy-2-benzyloxymethyl-octahydro-pyrano[3,2-b]pyridin-8-yl ester

Base Information

Chemical Name:Acetic acid (2R,3R,4R,4aR,7S,8S,8aS)-7-acetoxy-5-acetyl-3,4-bis-benzyloxy-2-benzyloxymethyl-octahydro-pyrano[3,2-b]pyridin-8-yl ester
CAS No.:852620-09-8
Molecular Formula:C₃₆H₄₁NO₉
Molecular Weight:631.723
Hs Code.:

Synonyms:Acetic acid (2R,3R,4R,4aR,7S,8S,8aS)-7-acetoxy-5-acetyl-3,4-bis-benzyloxy-2-benzyloxymethyl-octahydro-pyrano[3,2-b]pyridin-8-yl ester

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Chemical Property of Acetic acid (2R,3R,4R,4aR,7S,8S,8aS)-7-acetoxy-5-acetyl-3,4-bis-benzyloxy-2-benzyloxymethyl-octahydro-pyrano[3,2-b]pyridin-8-yl ester

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Technology Process of Acetic acid (2R,3R,4R,4aR,7S,8S,8aS)-7-acetoxy-5-acetyl-3,4-bis-benzyloxy-2-benzyloxymethyl-octahydro-pyrano[3,2-b]pyridin-8-yl ester

There total 8 articles about Acetic acid (2R,3R,4R,4aR,7S,8S,8aS)-7-acetoxy-5-acetyl-3,4-bis-benzyloxy-2-benzyloxymethyl-octahydro-pyrano[3,2-b]pyridin-8-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:

: (2R,3R,4R,4aR,7S,8S,8aS)-3,4-Bis-benzyloxy-2-benzyloxymethyl-octahydro-pyrano[3,2-b]pyridine-7,8-diol

: 108-24-7
acetic anhydride

: 852620-09-8
Acetic acid (2R,3R,4R,4aR,7S,8S,8aS)-7-acetoxy-5-acetyl-3,4-bis-benzyloxy-2-benzyloxymethyl-octahydro-pyrano[3,2-b]pyridin-8-yl ester

Guidance literature:: With dmap; triethylamine; In dichloromethane; at 20 ℃; for 3h;
DOI:10.1002/anie.200462413

Reference yield:

: (2R,3R,4R,5S)-3,4-Bis-benzyloxy-2-benzyloxymethyl-5-nitro-6-vinyl-tetrahydro-pyran

: 852620-09-8
Acetic acid (2R,3R,4R,4aR,7S,8S,8aS)-7-acetoxy-5-acetyl-3,4-bis-benzyloxy-2-benzyloxymethyl-octahydro-pyrano[3,2-b]pyridin-8-yl ester

Guidance literature:: Multi-step reaction with 7 steps

1: LiAlH₄ / tetrahydrofuran / 0 - 20 °C

2: Et₃N / CH₂Cl₂ / 3 h / 20 °C

3: 97 percent / NaH / dimethylformamide / 1 h / 0 °C

4: 91 percent / bis(tricyclohexylphosphino)(benzyliden)ruthenium dichloride / CH₂Cl₂ / 3 h / 20 °C

5: 93 percent / OsO₄; N-methylmorpholine N-oxide; H₂O / 2-methyl-propan-2-ol; acetone / 14 h / 20 °C

6: HCl / ethyl acetate / 20 h / 1 °C

7: Et₃N; DMAP / CH₂Cl₂ / 3 h / 20 °C

With hydrogenchloride; dmap; osmium(VIII) oxide; lithium aluminium tetrahydride; Grubbs catalyst first generation; water; sodium hydride; 4-methylmorpholine N-oxide; triethylamine; In tetrahydrofuran; dichloromethane; ethyl acetate; N,N-dimethyl-formamide; acetone; tert-butyl alcohol;
DOI:10.1002/anie.200462413

Reference yield:

: (4R,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-2-vinyl-tetrahydro-pyran-3-ylamine

: 852620-09-8
Acetic acid (2R,3R,4R,4aR,7S,8S,8aS)-7-acetoxy-5-acetyl-3,4-bis-benzyloxy-2-benzyloxymethyl-octahydro-pyrano[3,2-b]pyridin-8-yl ester

Guidance literature:: Multi-step reaction with 6 steps

1: Et₃N / CH₂Cl₂ / 3 h / 20 °C

2: 97 percent / NaH / dimethylformamide / 1 h / 0 °C

3: 91 percent / bis(tricyclohexylphosphino)(benzyliden)ruthenium dichloride / CH₂Cl₂ / 3 h / 20 °C

4: 93 percent / OsO₄; N-methylmorpholine N-oxide; H₂O / 2-methyl-propan-2-ol; acetone / 14 h / 20 °C

5: HCl / ethyl acetate / 20 h / 1 °C

6: Et₃N; DMAP / CH₂Cl₂ / 3 h / 20 °C

With hydrogenchloride; dmap; osmium(VIII) oxide; Grubbs catalyst first generation; water; sodium hydride; 4-methylmorpholine N-oxide; triethylamine; In dichloromethane; ethyl acetate; N,N-dimethyl-formamide; acetone; tert-butyl alcohol;
DOI:10.1002/anie.200462413