133604-97-4Relevant academic research and scientific papers
[1,7]-Sigmatropic hydrogen shifts of A-norvitamin D analogues: Ring size and substituent effects on the provitamin D-vitamin D equilibrium
Enas, Joel D.,Shen, Giin-Yuan,Okamura, William H.
, p. 3873 - 3881 (2007/10/02)
The [1,7]-sigmatropic hydrogen shift of the 11α-OH-A-norprevitamin D analogue 9 and its 11β-epimer 10 to the vitamin forms 24 and 25, respectively, was determined to be ～20 and ～10 times faster than that of provitamin D3 (1) to vitamin D3
