8-azetidin-3-yl-2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene trifluoroacetate   、                                                                                      
2-氯乙烷磺酰氯   、                                                                                      
三乙胺                                                                                                                                                                                                                                                                                                          以to give 445的产率得到2-{3-[2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-azetidine-1-sulfonyl}-ethanol