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More on aldehydes and ketones (9)

Organic chemistry: Nucleophilic attack on aldehydes and ketones; the three main categories of nucleophilic attack. Two category 1 reactions: attack by a Grignard to form an alcohol; attack by LAH to form an alcohol. A category 2 reaction: attack by alcohol in acidic conditions to form an acetal or ketal. A category 2 reverse reaction: reaction of an acetal or ketal with aqueous acid to form an aldehyde or ketoneThe labels "category 1", "category 2", and "category 3" are terms I made up; they are not standard terminology in organic chemistry.This is a recording of a tutoring session, posted with the student's permission.These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website:http://www.freelance-teacher.com/videos.htmI offer tutoring via Skype. For more information, go to my website.For a printable document containing the handout discussed in this video series, go to my website.For a list of all the available video series, arranged in suggested viewing order, go to my website.For a playlist containing all the videos in this series, click here:http://www.youtube.com/watch?v=pzConja-URY&feature=PlayList&p=F35C20EFF7464800&index=0&playnext=1(1) Nucleophilic attack on aldehydes and ketones. Three categories of nucleophilic attack(2) A category 1 reaction: attack by a Grignard to form an alcohol(3) Another category 1 reaction: attack by LAH (lithium aluminum hydride) to form an alcohol(4) A category 2 reaction: attack by alcohol in acidic conditions to form an acetal or ketal(5) Continued(6) Continued(7) Continued(8) Continued(9) Continued. A synthesis problem(10) A category 2 reverse reaction: reaction of an acetal or ketal with aqueous acid to form an aldehyde or ketone(11) Continuedtags: education college student university exam test educational study campus school
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