2-Methyl-1-[(2S,4aS,7R,8aR)-4,4,7-trimethyl-2-(2-phenylselanyl-ethyl)-hexahydro-benzo[e][1,3]oxazin-3-yl]-propenone                                                                                                                                                              在
                                                                                                                                                                                 
偶氮二异丁腈   、                                                                                                  
三正丁基氢锡                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
苯                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (7R,8aR,9aS,10aS)-3,3,7,10,10-Pentamethyl-decahydro-9-oxa-4a-aza-anthracen-4-one   、                                                                                             (3R,4aR,5aS,9R,11aS)-3,9,11,11-Tetramethyl-decahydro-5-oxa-10a-aza-cyclohepta[b]naphthalen-10-one   、                                                                                             (3R,4aR,5aS,9S,11aS)-3,9,11,11-Tetramethyl-decahydro-5-oxa-10a-aza-cyclohepta[b]naphthalen-10-one