Destroyer Orgo #71 Why Br2/ccl4 Add Syn Rather Than Ant Here?

[atlanta213]

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WHY BR2/CCL4 ADD SYN RATHER THAN ANT HERE?

Before i got into this problem, I knew that Br2/ccl4 is anti addition.

am i wrong?

 

[PooyaH]

WHY BR2/CCL4 ADD SYN RATHER THAN ANT HERE?

Before i got into this problem, I knew that Br2/ccl4 is anti addition.

am i wrong?

Actually I posted a thread about it a couple of days ago! I guess it's supposed to be Anti but they've made a mistake I guess!

 

[atlanta213]

Thank you! 🙂

 

[doc3232]

On a double bond?
Don't all halogens add anti on double bonds? If not can someone please explain?

 

[PooyaH]

On a double bond?
Don't all halogens add anti on double bonds? If not can someone please explain?

Yes, unless it's beta-halocarbocation, which we don't need to know about. I guess destroyer just made a small mistake!

 

[polarmolar]

Didn't someone mention that Cl2 adds syn though?

 

[doc3232]

Yes, unless it's beta-halocarbocation, which we don't need to know about. I guess destroyer just made a small mistake!

Didn't someone mention that Cl2 adds syn though?

🙁
Still disoriented.