N-Substituted 6-amino-dibenz[c,e][1,2]oxaphosphorines
AssigneeCiba-Geigy Corporation
InventorsMichael Rasberger, Samuel Evans
Life of this patent
Estimating the term…
Abstract
Compounds of the formula I ##STR1## wherein R.sub.1 and R.sub.2 independently of one another are substituted or unsubstituted hydrocarbon radicals, or halogen, x and y independently of one another are 0, 1, 2 or 3, and A is a substituted primary or secondary aliphatic or alicyclic, aromatic or araliphatic amine, in which the substituents are identical or different, a heterocyclic amine or a hydrazine derivative.
Claims2
A compound of the formula ##STR12## wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.12 alkyl, cyclohexyl or the group Q, where Q is ##STR13## R.sub.4 is C.sub.1 -C.sub.12 alkyl, cyclohexyl or a group of the formula ##STR14## where R.sub.3 and Q have the meanings given above,
- R.sub.5 is C.sub.2 -C.sub.6 alkylene,
- R.sub.3 and R.sub.4 together with the N atom to which they are attached form a piperidine or morpholine ring, or
- R.sub.3 and R.sub.4 together are the radical --CH.sub.2 CH.sub.2 --N(Q)--CH.sub.2 CH.sub.2 -- wherein Q has the meaning given above.
Dependencies are inferred from the claim text.