Claims
- 1. Reactive asymmetrical dicarboxylic acid ester of the formula ##STR3## wherein R.sub.1 is alkyl of up to 3 carbon atoms;
- R.sub.2 and R.sub.3 are individually selected from alkoxy of up to 3 carbon atoms or together represent an oxygen atom;
- X is phthalimido-N-oxy; and
- n is 2, 3, 4 or 5.
- 2. Dicarboxylic acid ester compounds as claimed in claim 1 wherein R.sub.1 is methyl.
- 3. Dicarboxylic acid ester compounds as claimed in claim 1 wherein R.sub.1 is ethyl.
- 4. Dicarboxylic acid ester compounds as claimed in claim 1 wherein n is 2.
- 5. Dicarboxylic acid ester compounds as claimed in claim 1 wherein n is 3.
- 6. Dicarboxylic acid ester compounds as claimed in claim 1, wherein n is 4.
- 7. Dicarboxylic acid ester compounds as claimed in claim 1 wherein n is 5.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2537129 |
Aug 1975 |
DEX |
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Parent Case Info
This is a division, of application Ser. No. 715,020 filed Aug. 16, 1976, now U.S. Pat. No. 4,133,949.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
3541084 |
Hagitani et al. |
Nov 1970 |
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Foreign Referenced Citations (2)
Number |
Date |
Country |
44-28084 |
Nov 1969 |
JPX |
47-47416 |
Jan 1972 |
JPX |
Divisions (1)
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Number |
Date |
Country |
Parent |
715020 |
Aug 1976 |
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