7-benzyloxy-8-methoxy-1-oxo-6-vinyl-1H-isochromene-3-carboxylic acid methyl ester

Base Information

• Chemical Name: 7-benzyloxy-8-methoxy-1-oxo-6-vinyl-1H-isochromene-3-carboxylic acid methyl ester
• CAS No.: 1242170-09-7
• Molecular Formula: C₂₁H₁₈O₆
• Molecular Weight: 366.37

Synonyms:7-benzyloxy-8-methoxy-1-oxo-6-vinyl-1H-isochromene-3-carboxylic acid methyl ester

Chemical Property of 7-benzyloxy-8-methoxy-1-oxo-6-vinyl-1H-isochromene-3-carboxylic acid methyl ester

Chemical Property:

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Technology Process of 7-benzyloxy-8-methoxy-1-oxo-6-vinyl-1H-isochromene-3-carboxylic acid methyl ester

There total 2 articles about 7-benzyloxy-8-methoxy-1-oxo-6-vinyl-1H-isochromene-3-carboxylic acid methyl 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:

C22H22O9S (1242170-38-2) → 7-benzyloxy-8-methoxy-1-oxo-6-vinyl-1H-isochromene-3-carboxylic acid methyl ester (1242170-09-7)

Guidance literature:

With 1,8-diazabicyclo[5.4.0]undec-7-ene; In dichloromethane; at 20 ℃; for 16h; Inert atmosphere; Cooling with ice;

DOI:10.1016/j.tet.2010.05.077

Reference yield:

C14H12O6 + benzyl bromide (100-39-0) → 7-benzyloxy-8-methoxy-1-oxo-6-vinyl-1H-isochromene-3-carboxylic acid methyl ester (1242170-09-7)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; for 16h; Inert atmosphere;

DOI:10.1016/j.tet.2010.05.077

Reference yield: 86.0%

7-benzyloxy-8-methoxy-1-oxo-6-vinyl-1H-isochromene-3-carboxylic acid methyl ester (1242170-09-7) + 2-benzyloxy-1,5,7,8-tetramethoxy-3-(2-nitroethyl)naphthalene (1315508-15-6) → 7-benzyloxy-6-[3-(3-benzyloxy-4,5,6,8-tetramethoxynaphthalen-2-ylmethyl)-4,5-dihydroisoxazol-5-yl]-8-methoxy-1-oxo-1H-isochromene-3-carboxylic acid methyl ester (1315508-16-7)

Guidance literature:

With phenyl isocyanate; triethylamine; In benzene; at 45 - 50 ℃; for 40h;

DOI:10.1021/jo200399z

upstream raw materials:

benzyl bromide

C₂₂H₂₂O₉S

Downstream raw materials:

7-benzyloxy-8-methoxy-1-oxo-6-{3-[1,4,5,6,8-pentamethoxy-3-(triethylsilanyloxy)naphthalen-2-ylmethyl]-4,5-dihydroisoxazol-5-yl}-1H-isochromene-3-carboxylic acid methyl ester

7-benzyloxy-6-[3-(3-benzyloxy-1,4,5,6,8-pentamethoxynaphthalen-2-ylmethyl)-4,5-dihydroisoxazol-5-yl]-8-methoxy-1-oxo-1H-isochromene-3-carboxylic acid methyl ester

7-benzyloxy-6-[3-(3-hydroxy-1,4,5,6,8-pentamethoxynaphthalen-2-ylmethyl)-4,5-dihydroisoxazol-5-yl]-8-methoxy-1-oxo-1H-isochromene-3-carboxylic acid methyl ester

7-benzyloxy-6-[1-hydroxy-4-(3-hydroxy-1,4,5,6,8-pentamethoxynaphthalen-2-yl)-3-oxo-butyl]-8-methoxy-1-oxo-1H-isochromene-3-carboxylic acid methyl ester

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