4-(tert-butyl-dimethyl-silanoxy)-3-(3-methoxycarbonyl-phenylsulfanylmethyl)-indazole-1-carboxylic acid tert-butyl ester

Base Information

• Chemical Name: 4-(tert-butyl-dimethyl-silanoxy)-3-(3-methoxycarbonyl-phenylsulfanylmethyl)-indazole-1-carboxylic acid tert-butyl ester
• CAS No.: 293758-78-8
• Molecular Formula: C₂₇H₃₆N₂O₅SSi
• Molecular Weight: 528.745
• Mol file: 293758-78-8.mol

Synonyms:4-(tert-butyl-dimethyl-silanoxy)-3-(3-methoxycarbonyl-phenylsulfanylmethyl)-indazole-1-carboxylic acid tert-butyl ester

Chemical Property of 4-(tert-butyl-dimethyl-silanoxy)-3-(3-methoxycarbonyl-phenylsulfanylmethyl)-indazole-1-carboxylic acid tert-butyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-(tert-butyl-dimethyl-silanoxy)-3-(3-methoxycarbonyl-phenylsulfanylmethyl)-indazole-1-carboxylic acid tert-butyl ester

There total 6 articles about 4-(tert-butyl-dimethyl-silanoxy)-3-(3-methoxycarbonyl-phenylsulfanylmethyl)-indazole-1-carboxylic acid tert-butyl 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: 89.0%

methyl 3-sulfanylbenzoate (72886-42-1) + 3-bromomethyl-4-(tert-butyl-dimethyl-silanoxy)-indazole-1-carboxylic acid tert-butyl ester (293758-73-3) → 4-(tert-butyl-dimethyl-silanoxy)-3-(3-methoxycarbonyl-phenylsulfanylmethyl)-indazole-1-carboxylic acid tert-butyl ester (293758-78-8)

Guidance literature:

With triethylamine; In dichloromethane; at 20 ℃; for 4h;

DOI:10.1021/jm000017s

Reference yield:

2,6-dihydroxylacetophenone (699-83-2) → 4-(tert-butyl-dimethyl-silanoxy)-3-(3-methoxycarbonyl-phenylsulfanylmethyl)-indazole-1-carboxylic acid tert-butyl ester (293758-78-8)

Guidance literature:

Multi-step reaction with 5 steps

1: 68 percent / hydrazine hydrate / ethane-1,2-diol / 2 h / 160 °C

2: 89 percent / dimethylformamide / 12 h / 20 °C

3: 73 percent / Et₃N / acetonitrile / 3 h / 20 °C

4: 72 percent / NBS; benzoylperoxide / CCl₄ / 4.5 h / Heating

5: 89 percent / Et₃N / CH₂Cl₂ / 4 h / 20 °C

With N-Bromosuccinimide; hydrazine hydrate; triethylamine; dibenzoyl peroxide; In tetrachloromethane; dichloromethane; ethylene glycol; N,N-dimethyl-formamide; acetonitrile; 1: Cyclization / 2: Silylation / 3: Acylation / 4: Bromination / 5: Substitution;

DOI:10.1021/jm000017s

Reference yield:

3-mercapto benzoic acid (4869-59-4) → 4-(tert-butyl-dimethyl-silanoxy)-3-(3-methoxycarbonyl-phenylsulfanylmethyl)-indazole-1-carboxylic acid tert-butyl ester (293758-78-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 100 percent / HCl(g) / 4 h / Heating

2: 89 percent / Et₃N / CH₂Cl₂ / 4 h / 20 °C

With hydrogenchloride; triethylamine; In dichloromethane; 1: Esterification / 2: Substitution;

DOI:10.1021/jm000017s

upstream raw materials:

methyl 3-sulfanylbenzoate

3-bromomethyl-4-(tert-butyl-dimethyl-silanoxy)-indazole-1-carboxylic acid tert-butyl ester

2,6-dihydroxylacetophenone

3-mercapto benzoic acid

Downstream raw materials:

4-benzyloxy-3-(3-methoxycarbonyl-phenylsulfanylmethyl)-indazole-1-carboxylic acid tert-butyl ester