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Questions tagged [intramolecular-reaction]

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5 votes
1 answer
392 views

Using Thionyl Chloride with tertiary alcohol

I have a question regarding using $\ce{SOCl2}$ to convert an alcohol into a alkyl halide. The Klein book mentions that $\ce{SOCl2}$ is only used for primary and secondary alcohol; however, in the ...
Jaehyun Ahn's user avatar
0 votes
0 answers
734 views

What mechanism do reaction of PCl5 follows, SNi or SN2?

I was taught that $\ce{PCl5}$ reacts with alcohols by $S_Ni$ mechanism as shown below: Here it can be seen that $\ce{PCl5}$ exists as $\ce{[PCl4]+[PCl6]-}$ and so lone pair of the alcohol is donated ...
D13G's user avatar
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2 votes
0 answers
125 views

Which way is major in this interesting intramolecular SN2 reaction to form different five memeber ring? [closed]

Which direction of the intramolecular reactions is major and why? Could someone could depict the mechanism step by step and it is better to draw out the transitional state configurations
csg's user avatar
  • 31
1 vote
1 answer
388 views

Intramolecular Reaction with carbocation rearrangement

I came across a question recently which is as follows, I came up with a mechanism but I am stuck at a step as I am unable to reason out the driving force. Step(3) has a hydride shift and its next ...
Suraj S's user avatar
  • 1,244