195815-12-4

Upstream product

• 85794-72-5 2-chloro-5-(1,3,4,5,6,7-hexahydro-1,3-dioxo-2H-isoindol-2-yl)aniline 
• 1634-04-4 tert-butyl methyl ether 
• 4645-32-3 dimethylvinylphosphonate 

Relevant academic research and scientific papers

Substituted aromatic phoshonic acid derivatives

Phosphonic acid compounds I wherein Eth is optionally substituted 1,2-ethynediyl, ethanediyl or ethene-1,2-diyl; Y1is oxygen or sulfur; Y2is oxygen, sulfur or —N(R6)—; Y3is oxygen, sulfur or —N(R7)—; R1, R2, R6and R7are hydrogen or optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or heterocyclyl, or R1and R2, R1and R6, R2and R7together are optionally substituted 1,2-ethanediyl, 1,3-propylene, tetramethylene, pentamethylene or ethyleneoxyethylene, or R1and R2together are optionally substituted 1,2-phenylene; R3is cyano, halogen, alkyl, haloalkyl, alkoxy or haloalkoxy; R4is hydrogen or halogen, and R5is a heterocycle Φ1to Φ22as defined in the specification, their manufacture and intermediates therefore. The phosphonic acid compounds are effective against unwanted plants and act as desiccants and defoliants.