thiophene-2-carboxylic acid (Z,Z,Z)-(6S,7S,8S,13R,14S,15S,16S)-15-carbamoyloxy-7,13-bis(4-methoxybenzyloxy)-6,8,14,16-tetramethyleicosa-4,9,17,19-tetraenyl ester                                                                                                                                                              在
                                                                                                                                                                                 
碳酸氢钠   、                                                                                                  
2,3-二氯-5,6-二氰基-1,4-苯醌                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以72%的产率得到Thiophene-2-carboxylic acid (4Z,9Z,17Z)-(6S,7S,8S,13R,14S,15S,16S)-15-carbamoyloxy-7,13-dihydroxy-6,8,14,16-tetramethyl-icosa-4,9,17,19-tetraenyl ester