Oxaspiro alkane and alkene ether herbicides

Details Oxaspiro alkane and alkene ether herbicides Oxaspiro alkane and alkene ether herbicides

1983-10-24

1985-06-25

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 88, 71 92, 71 93, 71 94, 544230, 546 15, 549331, 549332, 549333, 549341, A01N 4308, A01N 4340, C07D21306, C07D30704

Patent

active

045252017

ABSTRACT:
The present invention is directed to novel compounds of formulas I or II ##STR1## wherein R is an optionally substituted unsaturated group containing up to 4 carbon atoms, a cycloalkyl group containing 3 to 10 carbon atoms, a secondary alkyl group containing 3 to 10 carbon atoms, an aromatic group containing up to 14 carbon atoms or a heterocyclic group containing up to 14 carbon atoms; in formula I, m is 0, 1 or 2; n is 1, 2 or 3; R.sup.1 and R.sup.2 each independently is a hydrogen atom, an alkyl group containing 1 to 6 carbon atoms, or a hydroxyalkyl or an alkoxymethyl group in which the alkyl portion contains 1 to 6 carbon atoms; X is CH.sub.2 when m is 0, 1 or 2; or X is oxygen when m is 1 or 2; or in formula II, n is 1, 2 or 3; m is 0 or 1; and R.sup.1 and R.sup.2 each independently is a hydrogen atom, an alkyl group containing 1 to 6 carbon atoms, or a hydroxyalkyl or an alkoxymethyl group in which the alkyl portion contains 1 to 6 carbon atoms. The compounds of formulas I and II are useful as plant growth regulators or herbicides.

REFERENCES:
patent: Re30574 (1981-04-01), Barker et al.
patent: 3919252 (1975-11-01), Barker et al.
patent: 4116669 (1978-09-01), Barker et al.
patent: 4255587 (1981-03-01), Plath et al.
patent: 4261733 (1981-04-01), Chupp
patent: 4282388 (1981-08-01), Draber et al.
patent: 4289884 (1981-09-01), Barker
patent: 4400198 (1983-08-01), Orr et al.
patent: 4407670 (1983-10-01), Crabb et al.
patent: 4410354 (1983-10-01), Sundelin et al.

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