The Only Prep You Need

Question 12: Linker Carbon?

Question 12: Linker Carbon?

Postby goldstanda3269 » Sun Mar 14, 2021 5:00 pm

“For q12 in S3 can option D also be correct? As the 'linker' is linking carbons doesn’t that make it a linker carbon anyway?”

Good question!

Yes, the 2 carbons from (c) are definitely linker carbons. But, answer choice D says that they must BOTH be secondary positions. Certainly, one of the linker carbons will be secondary, but the other links to nitrogen, so you would have R-CH2-N, which is a primary carbon.
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