Multiple Choice
Which of the following best explains the rearrangement when provitamin D3 rearranges to vitamin D3? ![Which of the following best explains the rearrangement when provitamin D<sub>3</sub> rearranges to vitamin D<sub>3</sub>? A) [1,7] cycloaddition rearrangement, antarafacial B) [1,7] cycloaddition rearrangement, suprafacial C) [1,7] sigmatropic rearrangement, antarafacial D) [1,7] sigmatropic rearrangement, suprafacial E) [1,7] electrocyclic reaction, suprafacial](https://d2lvgg3v3hfg70.cloudfront.net/TB1830/11ea7d6e_0778_e7d6_8568_5d4b1dbf4e87_TB1830_00_TB1830_00.jpg)
A) [1,7] cycloaddition rearrangement, antarafacial
B) [1,7] cycloaddition rearrangement, suprafacial
C) [1,7] sigmatropic rearrangement, antarafacial
D) [1,7] sigmatropic rearrangement, suprafacial
E) [1,7] electrocyclic reaction, suprafacial
Correct Answer:

Verified
Correct Answer:
Verified
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