×

Imide derivatives, and their production and use

DC CAFC
  • US 5,532,372 A
  • Filed: 08/30/1993
  • Issued: 07/02/1996
  • Est. Priority Date: 07/06/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. An imide compound of the formula:

  • ##STR144## wherein Z is a group of the formula;

    ##STR145## in which B is a carbonyl group or a sulfonyl group, R1, R2, R3 and R4 are each a hydrogen atom or an alkyl group having 1-4 carbon atoms with a proviso that R1 and R2 or R1 and R3 are combined together to make a non-aromatic hydrocarbon ring having at most 7 carbon atoms and being un-substituted or substituted with at least one alkyl group having 1-4 carbon atoms, and n is an integer of 0 or 1;

    D is a group of the formula;

    
    
    space="preserve" listing-type="equation">--(CH.sub.2).sub.p --A--(CH.sub.2).sub.q --in which A is a non-aromatic hydrocarbon ring having at most 7 carbon atoms or a non-aromatic hydrocarbon ring having at most 7 carbon atoms which is bridged with an alkylene group having not more than 3 carbon atoms or an oxygen atom, and p and q are each an integer of 0, 1 or 2;

    Ar is a benzisothiazolyl group being unsubstituted or substituted with at least one of an alkyl group having 1-4 carbon atoms, an alkoxy group having 1-4 carbon atoms and a halogen atom; and

    G is >

    N--;

    or an acid addition salt thereof.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×