Method for the preparation of fluorinated monomers

摘要

Fluoroalcohol compounds of formula (4) are prepared by reacting a fluorine compound of formula (1) with reducing agents or organometallic reagents of formulas (2) and (3) wherein R 1 is H or a monovalent C 1 -C 20 hydrocarbon group in which any -CH 2 - moiety may be replaced by -O- or -C(=O)-, R 2 is H or a monovalent C 1 -C 6 hydrocarbon group, R 3 and R 4 are H or a monovalent C 1 -C 8 hydrocarbon group, and M 1 is Li, Na, K, Mg, Zn, Al, B, or Si. From the fluoroalcohol compounds, fluorinated monomers can be produced in a simple and economic way, which are useful in producing polymers for the formulation of radiation-sensitive resist compositions.