4-acetoxy-8-benzyloxy-2-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-1-naphthol

Base Information

Chemical Name:4-acetoxy-8-benzyloxy-2-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-1-naphthol
CAS No.:157848-99-2
Molecular Formula:C₄₆H₄₄O₈
Molecular Weight:724.851
Hs Code.:

Synonyms:4-acetoxy-8-benzyloxy-2-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-1-naphthol

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Chemical Property of 4-acetoxy-8-benzyloxy-2-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-1-naphthol

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Technology Process of 4-acetoxy-8-benzyloxy-2-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-1-naphthol

There total 3 articles about 4-acetoxy-8-benzyloxy-2-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-1-naphthol 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: 70.0%

: 104506-17-4
4-Acetoxy-8-benzyloxy-1-hydroxynaphthalene

: 104495-20-7
2,3,4-tris-O-(phenylmethyl)-α-L-rhamnopyranosyl fluoride

: 157848-99-2
4-acetoxy-8-benzyloxy-2-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-1-naphthol

Guidance literature:: With Cp₂HfCl₂*AgClO₄; In dichloromethane; at -78 ℃; for 0.166667h;
DOI:10.1016/S0040-4039(00)60738-4

Reference yield: 29.4%

: 104506-17-4
4-Acetoxy-8-benzyloxy-1-hydroxynaphthalene

: 104495-20-7
2,3,4-tris-O-(phenylmethyl)-α-L-rhamnopyranosyl fluoride

: 157849-00-8
1-acetoxy-5-benzyloxy-4-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyloxy)naphthalene

: 157848-99-2
4-acetoxy-8-benzyloxy-2-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-1-naphthol

Guidance literature:: With 2,6-di-tert-butyl-4-methylpyridine; Cp₂HfCl₂*AgClO₄; In fluorobenzene; at -20 ℃; for 1h;
DOI:10.1016/S0040-4039(00)60738-4

Reference yield:

: 210426-02-1
2,3,4-tri-O-benzyl-L-rhamnopyranose

: 157848-99-2
4-acetoxy-8-benzyloxy-2-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-1-naphthol

Guidance literature:: Multi-step reaction with 2 steps

1: 84.6 percent / 68percent (HF)x*pyr / CH₂Cl₂ / 4 h / -20 °C

2: 29.4 percent / molecular sieves 4A, Cp₂HfCl₂, AgClO₄, 2,6-di-t-butyl-4-methylpyridine / fluorobenzene / 1 h / -20 °C

With 2,6-di-tert-butyl-4-methylpyridine; bis(cyclopentadienyl)hafnium dichloride; (HF)x*pyr; 4 A molecular sieve; silver perchlorate; In fluorobenzene; dichloromethane;
DOI:10.3987/com-95-s55