Process for producing 2-amino-alkenylsulfonylurea derivatives

Details Process for producing 2-amino-alkenylsulfonylurea derivatives Process for producing 2-amino-alkenylsulfonylurea derivatives

1986-02-07

1988-02-16

Rotman, Alan L.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

540553, 540575, 540596, 540600, 544 63, 544 88, 544 96, 544296, 544298, 544320, 544332, 544400, 546233, 548215, 548240, 548352, 548379, 548567, 564 40, C07D22302, C07D23702, C07D23902, C07D24102

Patent

active

047256796

ABSTRACT:
The novel 2-amino-alkenylsulfonylureas of the formula (I) ##STR1## in which R.sub.1 and R.sub.2 denote hydrogen, alkyl, cycloalkyl or (substituted) phenyl, or R.sub.1 and R.sub.2, together with the common nitrogen atom, form a 5-membered to 7-membered (hetero)aliphatic ring, R.sub.3 denotes hydrogen, cycloalkyl, alkyl, alk(en)(yn)yloxy, alkylsulfen(in)(on)yl, --SO.sub.2 (N)(mono- or di-alkyl), (substituted) phenyl, benzyl, substituted hydroxycarbonyl or (substituted) aminocarbonyl, R.sub.4 has the meaning of R.sub.3 and additionally denote formyl, alkanoyl, (substituted) benzoyl, cycloalkylcarbonyl or C.sub.6 H.sub.5 --CH.sub.2 --O--CO--, or R.sub.3 and R.sub.4, together with the olefinic carbon atoms connecting them, form a 5-membered to 8-membered aliphatic ring system, R.sub.5 denotes H, alkyl, alkenyl, alkynyl, alkoxy or alkoxycarbonyl and R.sub.6 denotes alkyl or cycloalkyl, (substituted) phenyl or a (substituted) pyrimidinyl or (substituted) triazinyl ring, are useful intermediates for the preparation of plant protection agents.

REFERENCES:
patent: 2184279 (1939-12-01), Christiansen
patent: 3983107 (1976-09-01), Holland
patent: 4062960 (1977-12-01), Holland
Morrison et al., Organic Chemistry "Textbook", Allyn and Bacon, Inc., Boston, Mass., 1978, p. 187.
March, Advanced Organic Chemistry, "Textbook", McGraw-Hill Book Company, N.Y., N.Y., 1977, p. 742.

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