The beta,gamma-unsaturated delta-keto esters of formula I are useful as precursors for the delivery of organoleptic compounds, especially for flavours, fragrances and masking agents, and/or of antimicrobial compounds.
PROCESS FOR PREPARING SUBSTITUTED AMINO HERBICIDES
申请人:CHEVRON RESEARCH AND TECHNOLOGY COMPANY
公开号:EP0198054A1
公开(公告)日:1986-10-22
US4663466A
申请人:——
公开号:US4663466A
公开(公告)日:1987-05-05
[EN] PROCESS FOR PREPARING SUBSTITUTED AMINO HERBICIDES
申请人:CHEVRON RESEARCH COMPANY
公开号:WO1986002643A1
公开(公告)日:1986-05-09
(EN) Processes for alkylating certain 3-oxo-4-substituted phenyl-5-amino-2,3-dihydrofurans. The process effects replacement of the 5-amino group with a new amino group having the desired substitution. The products are useful as herbicides.(FR) Procédés d'alkylation de certains phényl-5-amino-2,3-dihydrofurannes 3-oxo-4-substitués. Le procédé effectue le remplecement du groupe 5-amino avec un nouveau groupe amino possédant la substitution désirée. Les produits sont utiles comme herbicides.