作者:Christopher Richards、Jamal Hassan                                    
                                    
                                        DOI:10.1055/s-0031-1290121
                                    
                                    
                                        日期:2012.1
                                    
                                    The reaction of (chloromethylene)dimethylammonium chloride (generated in situ from oxalyl chloride and DMF) with α-substituted ketones in CH2Cl2, followed by workup with aqueous NaHCO3, gave β-keto aldehydes containing an α-quaternary centre (8-88% yield).
                                    氯甲烯基二甲基
铵氯化物(在现场由
草酰氯和
DMF生成)与α-取代酮在
CH2Cl2中反应,然后用
水合氢
碳酸钠处理,得到了含有α-季
铵中心的β-酮醛(产率为8-88%)。