O-(3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-nitro-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-2-deoxy-2-nitro-6-O-(triisopropylsilyl)-D-galactal

Base Information

Chemical Name:O-(3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-nitro-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-2-deoxy-2-nitro-6-O-(triisopropylsilyl)-D-galactal
CAS No.:944065-04-7
Molecular Formula:C₅₃H₇₀N₂O₁₃Si₂
Molecular Weight:999.315
Hs Code.:

O-(3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-nitro-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-2-deoxy-2-nitro-6-O-(triisopropylsilyl)-D-galactal

Synonyms:O-(3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-nitro-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-2-deoxy-2-nitro-6-O-(triisopropylsilyl)-D-galactal

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Chemical Property of O-(3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-nitro-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-2-deoxy-2-nitro-6-O-(triisopropylsilyl)-D-galactal

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Technology Process of O-(3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-nitro-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-2-deoxy-2-nitro-6-O-(triisopropylsilyl)-D-galactal

There total 4 articles about O-(3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-nitro-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-2-deoxy-2-nitro-6-O-(triisopropylsilyl)-D-galactal 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%

: 944065-03-6
O-(3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-nitro-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-6-O-(triisopropylsilyl)-D-galactal

: 944065-04-7
O-(3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-nitro-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-2-deoxy-2-nitro-6-O-(triisopropylsilyl)-D-galactal

Guidance literature:: O-(3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-nitro-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-6-O-(triisopropylsilyl)-D-galactal; With nitric acid; acetic anhydride; In dichloromethane; at -30 ℃; for 1h;

With triethylamine; In dichloromethane; for 0.416667h; Further stages.;
DOI:10.1021/jo061670b

Reference yield:

: 944065-02-5
O-(3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-nitro-α-D-galactopyranosyl)-(1->3)-6-O-(triisopropylsilyl)-D-galactal

: 944065-04-7
O-(3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-nitro-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-2-deoxy-2-nitro-6-O-(triisopropylsilyl)-D-galactal

Guidance literature:: Multi-step reaction with 2 steps

1.1: 89 percent / pyridine / 16 h / 20 °C

2.1: conc. nitric acid; acetic anhydride / CH₂Cl₂ / 1 h / -30 °C

2.2: 85 percent / triethylamine / CH₂Cl₂ / 0.42 h

With pyridine; nitric acid; acetic anhydride; In dichloromethane;
DOI:10.1021/jo061670b

Reference yield:

: 201800-34-2
3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-D-galactal

: 944065-04-7
O-(3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-nitro-α-D-galactopyranosyl)-(1->3)-4-O-acetyl-2-deoxy-2-nitro-6-O-(triisopropylsilyl)-D-galactal

Guidance literature:: Multi-step reaction with 4 steps

1.1: conc. nitric acid; acetic anhydride / CH₂Cl₂ / 1 h / -30 °C

1.2: 84 percent / triethylamine / CH₂Cl₂ / 0.42 h

2.1: 70 percent / potassium tert-butoxide / toluene; tetrahydrofuran / 3 h

3.1: 89 percent / pyridine / 16 h / 20 °C

4.1: conc. nitric acid; acetic anhydride / CH₂Cl₂ / 1 h / -30 °C

4.2: 85 percent / triethylamine / CH₂Cl₂ / 0.42 h

With pyridine; potassium tert-butylate; nitric acid; acetic anhydride; In tetrahydrofuran; dichloromethane; toluene;
DOI:10.1021/jo061670b