Claims
- 1. A chemical intermediate of the formula: ##STR122## a salt or a stereochemically isomeric form thereof, wherein: one or two hydrogen atoms in the 1,3-dioxole moiety may be replaced by a C.sub.1-6 alkyl group;
- R.sup.1 represents hydrogen, halo, C.sub.1-6 alkylsulfonyl, or aminosulfonyl; and
- R.sup.2 represents amino, mono- or di(C.sub.1-6 alkyl)amino, arylC.sub.1-6 alkylamino, or C.sub.1-6 alkylcarbonylamino.
CROSS-REFERENCE TO RELATED APPLICATION
This is a division of copending application Ser. No. 08/301,825, filed Sep. 7, 1994, now allowed, which was a division of application Ser. No. 07/489,419, filed Mar. 6, 1990, now U.S. Pat. No. 5,374,637, which was a continuation-in-part of application Ser. No. 07/326,941, filed Mar. 22, 1989, now abandoned.
Non-Patent Literature Citations (8)
Entry |
CA 122: 187053 (Abstract of J. Chem. Res. Synop (1994) (12) 500-1). |
CA 112: 35548 (Abstract of J. Chem. Soc. Perkin Trans. 1 (1989) (9) 1710). |
CA 111: 153490 (Abstract of J. Chem. Soc. Perkin Trans 1 (1989) (3) 431-9). |
CA 106: 60333 (Abstract of Inorg. Chem. (1987) 26(3) 396-400. |
Huang et al., "Preparation of 3-Substituted Pyrocatechols", J. Chem. Res., Synop. (1994), (12), pp. 500-501. |
Sargent et al., "The Synthesis and Identification of Alkenyl and Alkadienyl Catechols of Burmese Lac", J. Chem. Soc., Perkin Trans. 1 (1989), (3), 431-439. |
Sargent et al., "The Synthesis and Identification of Alkenyl and Alkadienyl Catechols of Burmese Lac", J. Chem. Soc., Perkin Trans. 1 (1989), (9), 1710. |
Mitchell et al., "Biological Analogues. Synthetic Iron(III)--Specific Chelators Based on the Natural Siderophores", Inorg. Chem. (1987), 26(3), pp. 396-400. |
Divisions (2)
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Date |
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Parent |
301825 |
Sep 1994 |
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Parent |
489419 |
Mar 1990 |
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Continuation in Parts (1)
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326941 |
Mar 1989 |
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