Reaktion #417745

ord-5ae26fa5b32d47408656217fd7fd6bcd

Reaktionsgleichung

CCOC(=O)c1c(C(=O)OCC)c(-c2ccc(OC)c(OC)c2)c2c(OC)c(OC)c(OC)cc2c1O
1-(3,4-dimethoxyphenyl)-2,3-bis(ethoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene
C[O-].[Na+]
sodium methoxide
→
CCOC(=O)c1c(C(=O)OC)c(O)c2cc(OC)c(OC)c(OC)c2c1-c1ccc(OC)c(OC)c1
1-(3,4-dimethoxyphenyl)-2-ethoxycarbonyl-3-methoxycarbonyl-4-hydroxy-6,7,8-trimethoxynaphthalene

Edukte

CCOC(=O)c1c(C(=O)OCC)c(-c2ccc(OC)c(OC)c2)c2c(OC)c(OC)c(OC)cc2c1O
1-(3,4-dimethoxyphenyl)-2,3-bis(ethoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene
C[O-].[Na+]
sodium methoxide

Reagenzien

Keine

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Vorschrift

1-(3,4-dimethoxyphenyl)-2,3-bis(ethoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene obtained in Example 10 is treated with a sodium methoxide solution in the same manner as described in Example 28, whereby 1-(3,4-dimethoxyphenyl)-2-ethoxycarbonyl-3-methoxycarbonyl-4-hydroxy-6,7,8-trimethoxynaphthalene is obtained as colorless prisms.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US04897418uspto-grants-1990_01