Organic Process Research and Development p. 1887 - 1891 (2019)
Update date:2022-08-03
Topics:
Zhou, Shengfeng
Zhu, Runyu
Hu, Jingwen
Zhang, Lixiong
Lu, Qian
Yu, Xinhong
An economical and efficient means of preparing the 19-nor A ring, a key precursor of the vitamin D receptor (VDR) activator Paricalcitol, is here described. This process begins with commercially available (-)-shikimic acid and was easily scaled up to kilo
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Doi:10.1016/0040-4039(94)88205-3
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(2014)