IT1115324B - Herbicidal quaternised triazolo-pyridine derivs. - esp. useful for selective control of monocotyledonous weeds in dicotyledonous crops e.g. peas, beans and cotton - Google Patents

Herbicidal quaternised triazolo-pyridine derivs. - esp. useful for selective control of monocotyledonous weeds in dicotyledonous crops e.g. peas, beans and cotton

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Publication number
IT1115324B
IT1115324B IT2381877A IT2381877A IT1115324B IT 1115324 B IT1115324 B IT 1115324B IT 2381877 A IT2381877 A IT 2381877A IT 2381877 A IT2381877 A IT 2381877A IT 1115324 B IT1115324 B IT 1115324B
Authority
IT
Italy
Prior art keywords
quaternised
triazolo
peas
esp
herbicidal
Prior art date
Application number
IT2381877A
Other languages
Italian (it)
Original Assignee
Fisons Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB20982/76A external-priority patent/GB1574415A/en
Application filed by Fisons Ltd filed Critical Fisons Ltd
Application granted granted Critical
Publication of IT1115324B publication Critical patent/IT1115324B/en

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  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

Triazolopyridines of formula (I) and triazolopyridinium salts of formula (Ia) are new In the formulae, R1-4 are H, halogen, opt. substd. alkyl, aryl or aralkyl, NO2 or CN, R5 is a C-bonded quaternised N-contg. heterocyclic gp. X is 1 equiv. of an anion, R7 is opt. substd. alkyl or a C-bonded opt. substd. and opt. satd. heterocyclic gp. (quaternised if N-contg.), R6 is alkyl or, when R7 is a heterocyclic gp. contg. a quaternised N atom ortho to the bonding posn. R6 can form a CH2, CH2CH2, CH2CH2CH2 or CH=CR gp. bonded to the quaternised N atom, R is alkyl. A typical cpd. is 1-methyl-2-(1-methylpyridinium-4-yl) -s-triazolo(1,5-a pyridinium bis(methyl sulphate). In an example, this is prepd. from 1-aminopyridinium chloride and 4-cyanopyridine.
IT2381877A 1976-05-21 1977-05-20 Herbicidal quaternised triazolo-pyridine derivs. - esp. useful for selective control of monocotyledonous weeds in dicotyledonous crops e.g. peas, beans and cotton IT1115324B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB20982/76A GB1574415A (en) 1976-05-21 1976-05-21 S-triazolo(1,5- )pyridine salts and their use in agriculture
GB4932676 1976-11-26
GB2098277 1977-05-09

Publications (1)

Publication Number Publication Date
IT1115324B true IT1115324B (en) 1986-02-03

Family

ID=27257941

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2381877A IT1115324B (en) 1976-05-21 1977-05-20 Herbicidal quaternised triazolo-pyridine derivs. - esp. useful for selective control of monocotyledonous weeds in dicotyledonous crops e.g. peas, beans and cotton

Country Status (1)

Country Link
IT (1) IT1115324B (en)

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