4-Halgeno-oxetan-2-ones and process for their production

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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204158R, C07D30512, B01J 1912

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043639232

ABSTRACT:
Novel compounds having the formula I ##STR1## are described wherein X is a chlorine, bromine or iodine atom and Y is a residue having the formula R.sup.1 R.sup.2 R.sup.3 C- wherein R.sup.1 and R.sup.2 are the same or different and each is a fluorine, chlorine or bromine atom and R.sup.3 is a hydrogen, fluorine, chlorine or bromine atom, a group -CR.sup.4 R.sup.5 R.sup.6, a cyano group, a group-COR.sup.7 or -PO(R.sup.8).sub.2 wherein R.sup.4, R.sup.5, R.sup.6, independently, are F, Cl or Br, R.sup.7 nd R.sup.8 are the same or different and each is a chlorine atom or a group -OR.sup.9 wherein R.sup.9 is a C.sub.1 -C.sub.4 straight chain or branched alkyl group with the proviso that when X is a chlorine atom, none of R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6, can be a bromine atom.
They can be obtained by reacting diketene with a compound XY in the presence of an agent capable of forming free radicals. Compounds (I) have biocidal activity against various organisms, e.g. bacteria, fungi and algae.

REFERENCES:
patent: 2585537 (1952-02-01), Coffman
patent: 2675392 (1954-04-01), Theobald
Kleemann et al., Chem. Ber., vol. 112, pp. 1140-1146 (1979).
Houben-Weyl, Methoden der Organischen Chemie, (1960), vol. 5/4, pp. 469-474.
Houben-Weyl, Methoden der Organischen Chemie, (1962), vol. 5/3, pp. 971-976.

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