[EN] ALLYL AND PROPARGYL ETHERS<br/>[FR] ETHERS D'ALLYLE ET DE PROPARGYLE
申请人:DSM IP ASSETS BV
公开号:WO2009138389A1
公开(公告)日:2009-11-19
Allyl and propargyl ethers of the formula X-C(R1)(R2)-O-C(CH3)(R3) - OCH3 (I), wherein X is an ethynyl or vinyl group, R1 is methyl or ethyl, R2 is a saturated or unsaturated linear or cyclic aliphatic hydrocarbon residue and R3 is methyl or ethyl, a method for their preparation and their use in the manufacture of β-keto- allenes, α,β-unsaturated carbonyl compounds and γ,δ-unsaturated ketones.