Process for preparation of esculetin compounds, esculetin compounds and intermediates thereof, and use of both
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Mar 11, 2004
app pub date -
Jun 30, 2003
filing date -
Dec 28, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An esculetin compound, an intermediate thereof, a process for manufacturing an esculetin compound, and an antifungal composition for agriculture and horticulture and an herbicide comprising an esculetin compound or an intermediate thereof are provided. The process for manufacturing an esculetin compound is a low-cost, high-yield, and industrially practicable process, and comprises the following step. A process for manufacturing an esculetin compound of the formula (2): 1 characterized by cyclizing a trihydroxybenzaldehyde compound of the formula (1): 2 in an aprotic polar solvent in the presence of a weak base, with acetic anhydride or the like.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully