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Chemistry Forums for Students => Organic Chemistry Forum => Topic started by: davidenarb on August 15, 2014, 09:39:33 AM

Title: desulfurization of thioacetals
Post by: davidenarb on August 15, 2014, 09:39:33 AM

hi all,

I know that the first reaction is correct. my concern is pointed to the second reaction. is it correct??

Title: Re: desulfurization of thioacetals
Post by: rwiew on August 15, 2014, 09:47:01 AM

The second one is wrong - you've added 2 extra carbons is the biggest problem, where do they come from? Based on the first reaction, what would be an expected product in the second one?

Title: Re: desulfurization of thioacetals
Post by: davidenarb on August 15, 2014, 09:52:05 AM

Quote from: rwiew on August 15, 2014, 09:47:01 AM

The second one is wrong - you've added 2 extra carbons is the biggest problem, where do they come from? Based on the first reaction, what would be an expected product in the second one?

is propane expected for the second reaction?

Title: Re: desulfurization of thioacetals
Post by: Babcock_Hall on August 15, 2014, 10:46:38 AM

In your first example, the C-S bond was replaced with what kind of bond?  Use this reaction as your model.

Title: Re: desulfurization of thioacetals
Post by: davidenarb on August 15, 2014, 11:25:25 AM

Quote from: Babcock_Hall on August 15, 2014, 10:46:38 AM

In your first example, the C-S bond was replaced with what kind of bond?  Use this reaction as your model.

Soory i mean will we have pentane??

Title: Re: desulfurization of thioacetals
Post by: Babcock_Hall on August 15, 2014, 11:43:35 AM

Yes.