摘要:
Herbicidal sulphonylaminocarbonyltriazolinones having two substituents bonded via oxygen, of the formula ##STR1## in which R.sup.1 represents hydrogen or an optionally substituted radical from the series comprising alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl and aralkyl,R.sup.2 represents an optionally substituted radical from the series comprising alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl and aralkyl, andR.sup.3 represents an optionally substituted radical from the series comprising alkyl, aralkyl, aryl and heteroaryl,and their salts.
摘要:
Herbicidally active substituted triazolinones of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl, alkoxyalkyl, cycloalkyl, cycloalkylalkyl, or represents tetrahydrofuranyl, tetrahydrofuranylalkyl, or represents in each case optionally substituted aralkyl or aryl,R.sup.2 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl, cyanoalkyl, hydroxyalkyl, alkoxyalkyl, alkoxycarbonylalkyl, alkoxycarbonylalkenyl, alkylaminoalkyl, dialkylaminoalkyl, or represents in each case optionally substituted cycloalkyl, cycloalkylalkyl, cycloalkenyl or cycloalkenylalkyl, or represents optionally substituted heterocyclylalkyl, or represents in each case optionally substituted aralkyl, aroyl, aryl, aralkyloxy or aryloxy, or represents alkoxy, alkenyloxy or alkinyloxy,X represents oxygen or sulphur andY represents oxygen or sulphur.New intermediates therefor are also shown.
摘要:
The present invention relates to new amino and ammonium isocyanates, to a process for their preparation, e.g. by the reaction of certain ureas with isocyanates, and to the use of the new substances for the production of polymers containing ammonium groups.
摘要:
Herbicidal sulphonylaminocarbonyltriazolinones having two substituents bonded via oxygen, of the formula ##STR1## in which R.sup.1 represents hydrogen or an optionally substituted radical from the series comprising alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl and aralkyl,R.sup.2 represents an optionally substituted radical from the series comprising alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl and aralkyl, andR.sup.3 represents an optionally substituted radical from the series comprising alkyl, aralkyl, aryl and heteroaryl,and their salts.
摘要:
A process for the preparation of 4-amino-1,2,4-triazol-5-one of the formula ##STR1## in which R represents unsubstituted or substituted alkyl, alkenyl, cycloalkenyl, cycloalkyl, aralkyl, aryl or heterocyclyl,which comprises reacting a carbodihydrazide of the formula ##STR2## with a nitrile of the formulaR--C.tbd.N (III)The carbodihydrazide of the formula (II) may be produced in a preliminary stage by reacting a carbonic acid derivative with hydrazine or hydrazine hydrate.
摘要:
The present invention is directed to a polyurethane system containing isocyanate groups prepared by reactingA) 70 to 98 parts by weight of at least one polyester diol having a melting point of 30.degree. C. to 60.degree. C. and a molecular weight of 800 to 8,000,B) 2 to 30 parts by weight of at least one polyester diol having a melting point of 65.degree. C. to 150.degree. C. and a molecular weight of 600 to 8,000, andC) no more than 1 mole of a diol having a molecular weight of less than 600 per moles of A) plus B), with,D) at least one organic polyisocyanate, the ratio of isocyanate groups to hydroxyl groups is between 3:1 and 1.2:1.
摘要:
Herbicidal substituted 4,5-diamino-1,2,4-triazol-3-(thi)ones of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each independently is hydrogen or an organic radical,X is O or S, andY is O or S.
摘要:
A process for the preparation of 4-amino-1,2,4-triazol-5-one of the formula ##STR1## in which p0 R represents unsubstituted or substituted alkyl, alkenyl, cycloalkenyl, cycloalkyl, aralkyl, aryl or heterocyclyl,which comprises reacting a carbodihydrazide of the formula ##STR2## with a nitrile of the formulaR--C.tbd.N (II)The carbodihydrazide of the formula (II) may be produced in a preliminary stage by reacting a carbonic acid derivative with hydrazine or hydrazine hydrate.
摘要:
A process for the preparation of 4-amino-1,2,4-triazol-5-one of the formula ##STR1## in which R is alkyl, comprising in a first step reacting phosgene with an acylhydrazide of the formula ##STR2## to produce an oxadiazolinone of the formula ##STR3## and in a second step reacting the oxadiazolinone with hydrazine hydrate.
摘要:
A carbamic acid ester corresponding to the formula R.sup.1 --NH--CO--OR.sup.2 is thermally cleaved to form isocyanate R.sup.1 --NCO and alcohol R.sup.2 --OH fractions. This cleavage is accomplished by boiling the carbamic acid ester, condensing the vapor given off in a first fractionation column, and condensing the vapor from the first fractionation column in a second fractionation column. The boiling of the carbamic acid ester is carried out in a manner such that the average dwell time in the reaction vessel is from 1 to 20 hours, the temperature is from 160.degree. to 260.degree. C. and the pressure is from 0.001 to 2 bar. The isocyanate fraction obtained by this cleavage process may be used as a starting material for a transurethanation reaction in which a lower boiling isocyanate R.sup.3 --NCO is produced. The radicals R.sup.1, R.sup.2, and R.sup.3 are defined herein.