A one-step and chemoselective conversion of silyl-protected alcohols into the corresponding acetates
摘要:
A reagent system of acetyl bromide combined with a catalytic amount of tin(II) bromide cleaves readily trialkylsilyl ethers to give the corresponding acetates in high yields under very mild conditions.
Oriyama Takeshi, Oda Mihoko, Gono Junko, Koga Gen, Tetrahedron Lett, 35 (1994) N 13, S 2027-2030
作者:Oriyama Takeshi, Oda Mihoko, Gono Junko, Koga Gen
DOI:——
日期:——
RECYCLING PROCESS
申请人:Worn Again Footwear And Accessories Limited
公开号:EP3172267A1
公开(公告)日:2017-05-31
[EN] RECYCLING PROCESS<br/>[FR] PROCÉDÉ DE RECYCLAGE
申请人:WORN AGAIN FOOTWEAR AND ACCESSORIES LTD
公开号:WO2016012755A1
公开(公告)日:2016-01-28
The invention relates to a process for extracting polyester from packaging. In particular, the invention relates to packaging comprising one or more dyes such as black packaging. The claim process uses a two stage extraction process to convert waste polyester in clean, reusable polyester. The invention relates to a process for extracting polyester from fabric. In particular, fabric comprising polyester and one or more dyes. The claimed process uses a multistage mechanism to separate dyes from polyester containing garments and reconstitute the polyester.