3-(2,2,6,6-Tetramethyl-cyclohexylidene)-thiirane-2-carboxylic acid ethyl ester                                                                                                                                                                                              以
                                                                                         
环己烷   、                                                                                         
苯                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                生成                                                 3-(2,2,6,6-Tetramethyl-cyclohexylidene)-acrylic acid ethyl ester   、                                                                                             5-Ethoxy-2-(2,2,6,6-tetramethyl-cyclohexylidene)-[1,3]oxathiole   、                                                                                             
[4,4,8,8-Tetramethyl-1-thia-spiro[2.5]oct-(2Z)-ylidene]-acetic acid ethyl ester