6,7-Dichloro-3,4-dihydro-2H-pyrazino(2,3-B)(1,4)oxazines

Details 6,7-Dichloro-3,4-dihydro-2H-pyrazino(2,3-B)(1,4)oxazines 6,7-Dichloro-3,4-dihydro-2H-pyrazino(2,3-B)(1,4)oxazines

1976-06-14

1977-06-14

Meyers, Albert T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424250, C07D26500, C07D27300, C07D29500, A01N 900

Patent

active

040296571

ABSTRACT:
Dichloropyrazino-oxazines of the formula ##STR1## wherein R is H or a C.sub.1 to C.sub.8 alkyl, alkenyl, cycloalkyl or cycloalkenyl radical, are disclosed. The compound in which R is H has utility as an intermediate for the compounds in which R is other than H. The latter compounds exhibit microbicidal, herbicidal or insecticidal activity. The compounds of the invention are readily prepared from tetrachloropyrazine and 2-aminoethanols of the formula R--NH--CH.sub.2 CH.sub.2 --OH.

REFERENCES:
patent: 3274191 (1966-09-01), Gragoe et al.

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