The synthesis of 14-epi-19-nor-22-oxa-1α,25(OH)2D3 5 was started from diol 8 via Fall's method, oxidation, epimerization, protection, coupling with the 19-nor-A-ring 7, and then deprotection of the hydroxyl functi...The synthesis of 14-epi-19-nor-22-oxa-1α,25(OH)2D3 5 was started from diol 8 via Fall's method, oxidation, epimerization, protection, coupling with the 19-nor-A-ring 7, and then deprotection of the hydroxyl functions.展开更多
Our previous studies revealed that 1, 25-dihydroxyvrtamin D_3[1, 25 (OH)_2, D_3] and its two novel analogues (MC903 and EB1089) play an important role in the modulation of proliferation and differentiation of a newly ...Our previous studies revealed that 1, 25-dihydroxyvrtamin D_3[1, 25 (OH)_2, D_3] and its two novel analogues (MC903 and EB1089) play an important role in the modulation of proliferation and differentiation of a newly established human megakaryoblastic leu展开更多
文摘The synthesis of 14-epi-19-nor-22-oxa-1α,25(OH)2D3 5 was started from diol 8 via Fall's method, oxidation, epimerization, protection, coupling with the 19-nor-A-ring 7, and then deprotection of the hydroxyl functions.
文摘Our previous studies revealed that 1, 25-dihydroxyvrtamin D_3[1, 25 (OH)_2, D_3] and its two novel analogues (MC903 and EB1089) play an important role in the modulation of proliferation and differentiation of a newly established human megakaryoblastic leu