3,4-bis(benzyloxy)-5-methoxy-2-(7-methoxy-2,2-dimethyl-4-oxo-4H-benzo[1,3]dioxin-5-yl)-benzaldehyde

Base Information

• Chemical Name: 3,4-bis(benzyloxy)-5-methoxy-2-(7-methoxy-2,2-dimethyl-4-oxo-4H-benzo[1,3]dioxin-5-yl)-benzaldehyde
• CAS No.: 1170034-69-1
• Molecular Formula: C₃₃H₃₀O₈
• Molecular Weight: 554.596

Synonyms:3,4-bis(benzyloxy)-5-methoxy-2-(7-methoxy-2,2-dimethyl-4-oxo-4H-benzo[1,3]dioxin-5-yl)-benzaldehyde

Chemical Property of 3,4-bis(benzyloxy)-5-methoxy-2-(7-methoxy-2,2-dimethyl-4-oxo-4H-benzo[1,3]dioxin-5-yl)-benzaldehyde

Chemical Property:

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Technology Process of 3,4-bis(benzyloxy)-5-methoxy-2-(7-methoxy-2,2-dimethyl-4-oxo-4H-benzo[1,3]dioxin-5-yl)-benzaldehyde

There total 1 articles about 3,4-bis(benzyloxy)-5-methoxy-2-(7-methoxy-2,2-dimethyl-4-oxo-4H-benzo[1,3]dioxin-5-yl)-benzaldehyde 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: 80.0%

7-methoxy-2,2-dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4H-benzo[d][1,3]dioxin-4-one (888723-90-8) + 3,4-bis(benzyloxy)-2-bromo-5-methoxybenzaldehyde (1170034-55-5) → 3,4-bis(benzyloxy)-5-methoxy-2-(7-methoxy-2,2-dimethyl-4-oxo-4H-benzo[1,3]dioxin-5-yl)-benzaldehyde (1170034-69-1)

Guidance literature:

With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; palladium diacetate; caesium carbonate; In 1,4-dioxane; water; at 80 ℃; for 1.5h; Inert atmosphere;

DOI:10.1002/ejoc.200801278

Reference yield: 98.0%

3,4-bis(benzyloxy)-5-methoxy-2-(7-methoxy-2,2-dimethyl-4-oxo-4H-benzo[1,3]dioxin-5-yl)-benzaldehyde (1170034-69-1) → 3,4-dihydroxy-5-methoxy-2-(7-methoxy-2,2-dimethyl-4-oxo-4H-benzo[1,3]dioxin-5-yl)benzaldehyde (1170034-94-2)

Guidance literature:

With 5% Pd(II)/C(eggshell); hydrogen; In ethyl acetate; at 20 ℃; for 2h;

DOI:10.1002/ejoc.200801278

Reference yield: 20.0%

3,4-bis(benzyloxy)-5-methoxy-2-(7-methoxy-2,2-dimethyl-4-oxo-4H-benzo[1,3]dioxin-5-yl)-benzaldehyde (1170034-69-1) → 1,2-bis(benzyloxy)-7-hydroxy-3,9-dimethoxy-6H-benzo[c]chromen-6-one (1170034-76-0)

Guidance literature:

With 3-chloro-benzenecarboperoxoic acid; In dichloromethane; at 45 ℃; for 18h;

DOI:10.1002/ejoc.200801278

upstream raw materials:

7-methoxy-2,2-dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4H-benzo[d][1,3]dioxin-4-one

3,4-bis(benzyloxy)-2-bromo-5-methoxybenzaldehyde

Downstream raw materials:

1,2-bis(benzyloxy)-7-hydroxy-3,9-dimethoxy-6H-benzo[c]chromen-6-one

3,4-dihydroxy-5-methoxy-2-(7-methoxy-2,2-dimethyl-4-oxo-4H-benzo[1,3]dioxin-5-yl)benzaldehyde

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