Claims
- 1. An .alpha.-hydroxybenzyl phosphine oxide of the general formula I ##STR5## in which the variables have the following meanings: R.sup.1, R.sup.2 C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.8 cycloalkyl, C.sub.6 -C.sub.12 aryl, C.sub.1 -C.sub.8 alkoxy;
- R.sup.3, R.sup.4 C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy;
- X C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, halogen, nitro, C.sub.1 -C.sub.4 dialkylamino, cyano;
- n 0 to 3, and the substituents can be the same or different when n is greater than 1.
- 2. An .alpha.-hydroxybenzyl phosphine oxide as claimed in claim 1, wherein the variables have the following meanings:
- R.sup.1 R.sup.2 phenyl, C.sub.1 -C.sub.8 alkoxy;
- R.sup.3 R.sup.4 methyl, methoxy;
- X methyl;
- n 1.
- 3. An .alpha.-hydroxybenzyl phosphine oxide as claimed in claim 1, wherein the variables have the following meanings:
- R.sup.1, R.sup.2 phenyl or ethoxy;
- R.sup.3, R.sup.2 methyl;
- X methyl;
- n 1.
Priority Claims (1)
Number |
Date |
Country |
Kind |
42 30 555.1 |
Sep 1992 |
DEX |
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Parent Case Info
This is a Division of application Ser. No. 08/116,955, filed Sep. 7, 1993, now U.S. Pat. No. 5,504,236.
US Referenced Citations (3)
Divisions (1)
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Number |
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116955 |
Sep 1993 |
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