、                                                                                      
(1S,2S,3R,4R)-3-(2,3-diamino-5-chloropyridin-4-ylamino)bicyclo[2.2.1]hept-5-ene-2-carboxylic acid amide   、                                                                                      4[1-((S)-2-hydroxypropyl)-1,2,3,6-tetrahydro-pyridin-4-yl]-2-methoxybenzaldehyde                                                                                                                                                                                                                                                                                                          以to produce the title compound (44%)的产率得到(1S,2S,3R,4R)-3-(6-chloro-2-{4-[1-((S)-2-hydroxypropyl)-1,2,3,6-pyridin-4-yl]-2-methoxyphenyl}-3H-imidazo[4,5-b]pyridine-7-ylamino)bicyclo[2.2.1]hept-5-ene-2-carboxylic acid amide