5-(tert-Butyl-diphenyl-silanyloxymethyl)-isophthalic acid bis-((R)-2-{(R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethoxycarbonyl}-1-methyl-ethyl) ester

Base Information

• Chemical Name: 5-(tert-Butyl-diphenyl-silanyloxymethyl)-isophthalic acid bis-((R)-2-{(R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethoxycarbonyl}-1-methyl-ethyl) ester
• CAS No.: 193953-20-7
• Molecular Formula: C₇₁H₈₆O₂₁Si
• Molecular Weight: 1303.54

Synonyms:5-(tert-Butyl-diphenyl-silanyloxymethyl)-isophthalic acid bis-((R)-2-{(R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethoxycarbonyl}-1-methyl-ethyl) ester

Chemical Property of 5-(tert-Butyl-diphenyl-silanyloxymethyl)-isophthalic acid bis-((R)-2-{(R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethoxycarbonyl}-1-methyl-ethyl) ester

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Technology Process of 5-(tert-Butyl-diphenyl-silanyloxymethyl)-isophthalic acid bis-((R)-2-{(R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethoxycarbonyl}-1-methyl-ethyl) ester

There total 5 articles about 5-(tert-Butyl-diphenyl-silanyloxymethyl)-isophthalic acid bis-((R)-2-{(R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethoxycarbonyl}-1-methyl-ethyl) 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:

1,3,5-tris-(methoxycarbonyl)benzene (2672-58-4) → 5-(tert-Butyl-diphenyl-silanyloxymethyl)-isophthalic acid bis-((R)-2-{(R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethoxycarbonyl}-1-methyl-ethyl) ester (193953-20-7)

Guidance literature:

Multi-step reaction with 5 steps

1: 20.1 percent / LiAlH₄ / tetrahydrofuran / 0.17 h / 1 - 30 °C

2: 92.8 percent / DMAP / dimethylformamide / 24 h / Ambient temperature

3: 78 percent / LiOH / methanol; dioxane; H₂O / 0.5 h

4: (COCl)2 / dimethylformamide / 14 h

5: pyridine / CH₂Cl₂ / 0 deg C, 3 h, RT, 21 h

With pyridine; dmap; lithium hydroxide; lithium aluminium tetrahydride; oxalyl dichloride; In tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; N,N-dimethyl-formamide;

DOI:10.1002/hlca.19970800402

Reference yield:

dimethyl 5-hydroxymethylbenzene-1,3-dicarboxylate (109862-53-5) → 5-(tert-Butyl-diphenyl-silanyloxymethyl)-isophthalic acid bis-((R)-2-{(R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethoxycarbonyl}-1-methyl-ethyl) ester (193953-20-7)

Guidance literature:

Multi-step reaction with 4 steps

1: 92.8 percent / DMAP / dimethylformamide / 24 h / Ambient temperature

2: 78 percent / LiOH / methanol; dioxane; H₂O / 0.5 h

3: (COCl)2 / dimethylformamide / 14 h

4: pyridine / CH₂Cl₂ / 0 deg C, 3 h, RT, 21 h

With pyridine; dmap; lithium hydroxide; oxalyl dichloride; In 1,4-dioxane; methanol; dichloromethane; water; N,N-dimethyl-formamide;

DOI:10.1002/hlca.19970800402

Reference yield:

5-(tert-Butyl-diphenyl-silanyloxymethyl)-isophthalic acid (193953-06-9) → 5-(tert-Butyl-diphenyl-silanyloxymethyl)-isophthalic acid bis-((R)-2-{(R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethoxycarbonyl}-1-methyl-ethyl) ester (193953-20-7)

Guidance literature:

Multi-step reaction with 2 steps

1: (COCl)2 / dimethylformamide / 14 h

2: pyridine / CH₂Cl₂ / 0 deg C, 3 h, RT, 21 h

With pyridine; oxalyl dichloride; In dichloromethane; N,N-dimethyl-formamide;

DOI:10.1002/hlca.19970800402

upstream raw materials:

(R)-3-Hydroxy-butyric acid (R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethyl ester

5-(tert-Butyl-diphenyl-silanyloxymethyl)-isophthaloyl dichloride

1,3,5-tris-(methoxycarbonyl)benzene

dimethyl 5-hydroxymethylbenzene-1,3-dicarboxylate

Downstream raw materials:

5-Hydroxymethyl-isophthalic acid bis-((R)-2-{(R)-2-[(R)-2-((R)-2-benzyloxycarbonyl-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethoxycarbonyl}-1-methyl-ethyl) ester

5-(tert-Butyl-diphenyl-silanyloxymethyl)-isophthalic acid bis-((R)-2-{(R)-2-[(R)-2-((R)-2-carboxy-1-methyl-ethoxycarbonyl)-1-methyl-ethoxycarbonyl]-1-methyl-ethoxycarbonyl}-1-methyl-ethyl) ester

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