1033760-97-2

Upstream product

• 1257065-23-8 2-(5-bromo-2-ethylphenyl)-4,4,6,6-tetramethyl-1,5-dioxaspiro[2.4]heptan-7-one 
• 14744-26-4 2,2,6,6-tetramethyl-2H-pyran-3,5(4H,6H)-dione 
• 1033760-96-1 5-bromo-2-ethylphenyllead triacetate 

Downstream Products

• 1033757-93-5 4-(4'-chloro-4-ethyl-2'-fluoro[1,1'-biphenyl]-3-yl)-5-hydroxy-2,2,6,6-tetramethyl-2H-pyran-3(6H)-one 
• 1033759-62-4 6-(2',4'-dichloro-4-ethylbiphenyl-3-yl)-2,2,4,4-tetramethylcyclohexane-1,3,5-trione 
• 1033757-94-6 4-(2',4'-dichloro-4-ethylbiphenyl-3-yl)-2,2,6,6-tetramethylpyran-3,5-dione 
• 1033758-04-1 4-(4,4'-dichlorobiphenyl-3-yl)-2,2,6,6-tetramethylpyran-3,5-dione 
• 1033757-96-8 4-(4'-chloro-4-ethyl-3'-trifluoromethylbiphenyl-3-yl)-2,2,6,6-tetramethylpyran-3,5-dione 
• 1033757-95-7 4-(4'-chloro-4-ethyl-2'-methylbiphenyl-3-yl)-2,2,6,6-tetramethyl-pyran-3,5-dione 

Relevant academic research and scientific papers

SPIRO EPOXIDES AS INTERMEDIATES

The present invention provides compounds of formula (I) wherein the substituents are as defined in claim 1. The compounds are suitable intermediates in the preparation of herbicidally active 4-phenyl-3,5-pyrandiones, 4-phenyl-3,5-thiopyrandiones and 6-phenylcyclohexane-1,3,5-triones.

4-PHENYL-PYRANE-3,5-DIONES, 4-PHENYL-THIOPYRANE-3,5-DIONES AND CYCLOHEXANETRIONES AS NOVEL HERBICIDES

Pyrandione, thiopyrandione and cyclohexanetrione compounds, which are suitable for use as herbicides.