5-substituted-2,4-diphenylpyrimidine derivatives, their producti

Details 5-substituted-2,4-diphenylpyrimidine derivatives, their producti 5-substituted-2,4-diphenylpyrimidine derivatives, their producti

1994-07-22

1995-04-04

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Esters having the thiocarboxylate group, -cx-, wherein the...

564240, C07C32120, C07C32906

Patent

active

054039487

ABSTRACT:
A compound of the formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, or a halogen atom, a (C.sub.1 to C.sub.3)-alkyl group, a halo-(C.sub.1 to C.sub.3)-alkyl group, a (C.sub.1 to C.sub.6)-alkoxy group, a (C.sub.2 to C.sub.6)-alkynyloxy group, a (C.sub.2 to C.sub.6)-alkenyloxy group, a halo-(C.sub.2 to C.sub.6)-alkynyloxy group, a halo-(C.sub.2 to C.sub.6)-alkenyloxy group, a (C.sub.1 to C.sub.2)-alkylthio group, a halo-(C.sub.1 to C.sub.6)-alkoxy group, a halo-(C.sub.1 to C.sub.2)-alkylthio group, a phenoxy group, a (C.sub.1 to C.sub.3)-alkylcarboxy group, a halo-(C.sub.1 to C.sub.3)-alkylcarboxy group, a (C.sub.1 to C.sub.2)-alkoxy-(C.sub.1 to C.sub.2)-alkoxy group, a halo-(C.sub.1 to C.sub.2)-alkoxy-halo-(C.sub.2 to C.sub.3)-alkoxy group, a (C.sub.1 to C.sub.3)-alkylsulfonyloxy group, a halo-(C.sub.1 to C.sub.3)-alkylsulfonyloxy group, a cyano group, a (C.sub.1 to C.sub.3)-alkoxycarbonyl group or an aminomethyl group, at the ortho or meta position; R.sup.2 and R.sup. 3, which may be either the same or different, each represents a hydrogen atom, a halogen atom, a (C.sub.1 to C.sub.2)-alkyl group, a halo-(C.sub.1 to C.sub.2)-alkyl group, a (C.sub.1 to C.sub.2)-alkoxy group, a nitro group, a (C.sub.1 to C.sub.2)-alkylthio group, a halo-(C.sub.1 to C.sub.2)-alkylthio group or a halo-(C.sub.1 to C.sub.2)-alkoxy group; and R.sup.4 represents a (C.sub.1 to C.sub.2)-alkyl group, provided that both R.sup.1 and R.sup.2 are not a hydrogen atom at the same time and that both of R.sup.2 and R.sup.3, if each representing a substituent other than a hydrogen atom, are not at the ortho position for the pyrimidine ring at the same time. The compound is used as herbicides.

REFERENCES:
patent: 4622322 (1986-11-01), Renfroe
patent: 5022915 (1991-06-01), Prisbylla
Takahashi et al., Journal of Heterocyclic Chemistry, vol., 23, pp. 77-80 (1986).
Bredereck et al., Chem Ber. 97, 3397 (1964).
Zumach et al., Angew Chem. Internat. Edit, 9, 54 (1970).
Becker et al., J. Org. Chem., 28, 1896 (1963).
Truce et al., J. Am. Chem. Soc., 77, 5063 (1955).

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