(4aR,6R,7R,8R,8aS)-7,8-Bis-benzyloxy-2,2-di-tert-butyl-6-methoxy-hexahydro-1,3,5-trioxa-2-sila-naphthalene

Base Information

• Chemical Name: (4aR,6R,7R,8R,8aS)-7,8-Bis-benzyloxy-2,2-di-tert-butyl-6-methoxy-hexahydro-1,3,5-trioxa-2-sila-naphthalene
• CAS No.: 335105-65-2
• Molecular Formula: C₂₉H₄₂O₆Si
• Molecular Weight: 514.734

Synonyms:(4aR,6R,7R,8R,8aS)-7,8-Bis-benzyloxy-2,2-di-tert-butyl-6-methoxy-hexahydro-1,3,5-trioxa-2-sila-naphthalene

Chemical Property of (4aR,6R,7R,8R,8aS)-7,8-Bis-benzyloxy-2,2-di-tert-butyl-6-methoxy-hexahydro-1,3,5-trioxa-2-sila-naphthalene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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Technology Process of (4aR,6R,7R,8R,8aS)-7,8-Bis-benzyloxy-2,2-di-tert-butyl-6-methoxy-hexahydro-1,3,5-trioxa-2-sila-naphthalene

There total 3 articles about (4aR,6R,7R,8R,8aS)-7,8-Bis-benzyloxy-2,2-di-tert-butyl-6-methoxy-hexahydro-1,3,5-trioxa-2-sila-naphthalene 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: 69.0%

benzyl bromide (100-39-0) + (4aR,6R,7R,8R,8aR)-2,2-Di-tert-butyl-6-methoxy-hexahydro-1,3,5-trioxa-2-sila-naphthalene-7,8-diol (198958-39-3) → (4aR,6R,7R,8R,8aS)-7,8-Bis-benzyloxy-2,2-di-tert-butyl-6-methoxy-hexahydro-1,3,5-trioxa-2-sila-naphthalene (335105-65-2)

Guidance literature:

With sodium hydride; In N,N-dimethyl-formamide;

DOI:10.1016/S0040-4039(01)00044-2

Reference yield:

Di-tert-butyldichlorosilane (18395-90-9) → (4aR,6R,7R,8R,8aS)-7,8-Bis-benzyloxy-2,2-di-tert-butyl-6-methoxy-hexahydro-1,3,5-trioxa-2-sila-naphthalene (335105-65-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 87 percent / 1-hydroxybenzotriazole; pyridine / 95 °C

2: 69 percent / NaH / dimethylformamide

With pyridine; sodium hydride; benzotriazol-1-ol; In N,N-dimethyl-formamide;

DOI:10.1016/S0040-4039(01)00044-2

Reference yield:

methyl beta-D-galactopyranoside (1824-94-8) → (4aR,6R,7R,8R,8aS)-7,8-Bis-benzyloxy-2,2-di-tert-butyl-6-methoxy-hexahydro-1,3,5-trioxa-2-sila-naphthalene (335105-65-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 87 percent / 1-hydroxybenzotriazole; pyridine / 95 °C

2: 69 percent / NaH / dimethylformamide

With pyridine; sodium hydride; benzotriazol-1-ol; In N,N-dimethyl-formamide;

DOI:10.1016/S0040-4039(01)00044-2

upstream raw materials:

benzyl bromide

(4aR,6R,7R,8R,8aR)-2,2-Di-tert-butyl-6-methoxy-hexahydro-1,3,5-trioxa-2-sila-naphthalene-7,8-diol

Di-tert-butyldichlorosilane

methyl beta-D-galactopyranoside

Downstream raw materials:

methyl 2,3-di-O-benzyl-β-D-galactopyranoside

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