描述:
                                
                                                                                                                         N-(3-Carbomethoxy-5-methyl-2-thienyl)-2-methylpropanamide   、                                                                                      lithium;iodide;dihydrate                                                                                                                                                                                                                                                                                                          以to give the expected decarboxylated product, N-(5-methyl-2-thienyl)-2-methylpropanamide, m.p. 96°-97° C. in 54% yield的产率得到N-(5-methyl-thien-2-yl)-2-methylpropanamide