EP 0980350 A2 20000223 - HYDROXYNAPHTHOIC ACIDS AND DERIVATIVES
Title (en)
HYDROXYNAPHTHOIC ACIDS AND DERIVATIVES
Title (de)
ASYMMETRISCHE SYNTHESE VON BENZOXAZINOEN ÜBER NEUE ZWISCHENPRODUKTE
Title (fr)
ACIDES HYDROXYNAPHTOIQUES ET DERIVES DE CES DERNIERS
Publication
Application
Priority
- US 9808544 W 19980428
- US 4508397 P 19970429
- US 98847297 A 19971210
Abstract (en)
[origin: WO9849130A2] In one embodiment, the present invention provides a compound comprising formula (I), wherein A = H or OH, X = OH, a halogen, OR, NHR, NR', R'' where R, R', and R'' = H, C1-8alkyl, C2-8alkenyl, or C2-8alkynyl, cycloalkyl, cycloalkenyl, aryl, aralkyl or heterocyclic, substituted or unsubstituted; and R1,R2,R3,R4,R5 = H, C1-8alkyl, C2-8alkenyl, or C2-8alkynyl, cycloalkyl, cycloalkenyl, aryl or heterocyclic, substituted or unsubstituted, wherein R1 includes at least one methylene spacer through which R1 is attached to said compound. The present invention also provides methods for making hydroxynaphthoic acids.
IPC 1-7
IPC 8 full level
C07C 51/29 (2006.01); C07C 51/377 (2006.01); C07C 65/11 (2006.01); C07C 67/343 (2006.01); C07C 235/66 (2006.01)
CPC (source: EP)
C07C 51/29 (2013.01); C07C 51/377 (2013.01); C07C 65/11 (2013.01); C07C 67/343 (2013.01); C07C 235/66 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9849130 A2 19981105; WO 9849130 A3 19990128; CA 2288199 A1 19981105; EP 0980350 A2 20000223; EP 0980350 A4 20030102
DOCDB simple family (application)
US 9808544 W 19980428; CA 2288199 A 19980428; EP 98918831 A 19980428