When previtamin D 2 (which is identical to previtamin D 3 , except for the R-group) is
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When previtamin D2 (which is identical to previtamin D3, except for the R-group) is isolated and irradiated, ergosterol is obtained along with a stereoisomer, lumi sterol. Explain mechanistically the origin of lumisterol.
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HO H3C CH3 H H lumisterol R
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As stated in the problem previtamin D is the same as previtamin D3 excep...View the full answer
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