Claims
- 1. The compound of formula II ##STR11## wherein R.sub.1 and R.sub.2 independently are hydrogen or C.sub.1 -C.sub.8 alkyl, X is --O--, --S-- or a lone pair of electrons, R.sub.4 is hydroxy or a group --NHR.sub.3, whereby R.sub.3 is hydrogen or C.sub.1 -C.sub.12 alkyl.
- 2. The compound of claim 1, wherein R.sub.1 and R.sub.2 are hydrogen.
- 3. The compound of claim 1, wherein X is --O-- or a lone pair of electrons.
- 4. The compound of claim 1, wherein R.sub.4 is hydroxy.
- 5. 4-Hydroxy-2,2,6,6-tetramethyl-1H-phosphorinane according to claim 1.
- 6. 4-Hydroxy-1-oxo-2,2,6,6-tetramethyl-1H-phosphorinane according to claim 1.
Parent Case Info
This is a divisional of application Ser. No. 540,238 filed on Oct. 11, 1983, now U.S. Pat. No. 4,539,421.
US Referenced Citations (6)
Foreign Referenced Citations (2)
Number |
Date |
Country |
963417 |
Jul 1964 |
GBX |
971669 |
Sep 1964 |
GBX |
Divisions (1)
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Number |
Date |
Country |
Parent |
540238 |
Oct 1983 |
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