Pyrazine compound useful as plant growth regulators

Details Pyrazine compound useful as plant growth regulators Pyrazine compound useful as plant growth regulators

1988-06-22

1990-12-04

Shah, Mukund J.

Chemistry: fertilizers

Processes and products

Forms or conditioning

544336, 544406, 544409, A01N 4360, C07D24106

Patent

active

049751123

ABSTRACT:
Pyrazine derivatives useful as plant growth regulating agents have the general formula: ##STR1## and stereoisomers thereof, wherein R.sup.1 is C.sub.1 -C.sub.4 alkyl optionally substituted with halogen, or cyclopropyl optionally substituted with C.sub.1 -C.sub.4 alkyl; R.sup.2 is C.sub.1 -C.sub.8 alkyl, C.sub.2 -C.sub.8 alkenyl, or C.sub.2 -C.sub.8 alkynyl each optionally substituted with halogen; C.sub.3 -C.sub.6 cycloalkyl, C.sub.3 -C.sub.6 cycloalkenyl, C.sub.3 -C.sub.6 cycloalkylalkyl, C.sub.3 -C.sub.6 cycloalkenylalkyl, phenylalkenyl or phenylalkynyl each optionally substituted on the ring group; R.sup.3 is hydrogen or C.sub.1 -C.sub.4 alkyl; R.sup.4 is hydrogen, C.sub.1 -C.sub.4 alkyl, halogen, alkylamino, cyano, or alkoxy; n is 0 or 1; and salts, ethers, acylates and metal complexes thereof.

REFERENCES:
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Bus et al., Recl. Trav. Chim. Pays-Bas, 92(1): pp. 123-126 (1973).
Kamal et al., J. Org. Chem. 27:pp. 1360-1363 (1962).
Behun et al., J. Am. Chem. Soc., 81:5666-5669 (1959).

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