Claims
- 1. A hydrazone of the formula II ##STR57## where n is 1 or 2,
- Y is vinyl or a radical of the formula C.sub.2 H.sub.4 -Q, where Q is a group which is detachable under alkaline reaction conditions,
- X is a radical of the formula CO-O or SO.sub.2 -O, the ring A may be substituted and benzofused, and the ring C may be substituted.
- 2. A hydrazones as claimed in claim 1, conforming to the formula IIa ##STR58## where Z.sup.1 is hydrogen or hydroxysulfonyl,
- Z.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkanoylamino, halogen or nitro,
- Z.sup.3 is hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylsulfonyl, nitro or hydroxysulfonyl, the ring D may be benzofused, and n, X and Y are each as defined in claim 1.
Priority Claims (1)
Number |
Date |
Country |
Kind |
42 30 095.9 |
Sep 1992 |
DEX |
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Parent Case Info
This is a division of application Ser. No. 08/117,686, filed on Sep. 8, 1993, now pending.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
2748021 |
Van Allan |
May 1956 |
|
4757135 |
Schwaiger |
Jul 1988 |
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Divisions (1)
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Number |
Date |
Country |
Parent |
117686 |
Sep 1993 |
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