对甲苯甲酸   、                                                                                      
N-((3S,3aR,6S,6aR)-6-amino-hexahydrofuro[3,2-b]furan-3-yl)-3-phenoxybenzamide                                                                                                                                                                                                                                                                                                          以to yield 2-methyl-N-((3S,3aR,6S,6aR)-6-(3-phenoxybenzamido) hexahydrofuro[3,2-b]furan-3-yl)benzamide (4.7 mg, 41.0%)的产率得到2-methyl-N-((3S,3aR,6S,6aR)-6-(3-phenoxybenzamido)-hexahydrofuro[3,2-b]furan-3-yl)benzamide