D DDS13 Full Member 10+ Year Member 15+ Year Member Joined Sep 24, 2007 Messages 123 Reaction score 0 Points 0 Pre-Dental Aug 12, 2008 #1 Advertisement - Members don't see this ad Hi guys, isnt choice B a ketal. in the answer choice it says it is an acetal. plz clarify
Advertisement - Members don't see this ad Hi guys, isnt choice B a ketal. in the answer choice it says it is an acetal. plz clarify
J jjw822 Full Member 15+ Year Member Joined Dec 29, 2007 Messages 148 Reaction score 0 Points 75 Pre-Dental Aug 12, 2008 #2 DDS13 said: Hi guys, isnt choice B a ketal. in the answer choice it says it is an acetal. plz clarify Click to expand... It is acetal. acetal is a carbon bounded to two -OR groups. so it is acetal. if you get acetal from aldehyde you will get R-CH-(OR)2 and if you get it from ketone its R-C-R' and two -OR'' bound to that carbon. Upvote 0 Downvote
DDS13 said: Hi guys, isnt choice B a ketal. in the answer choice it says it is an acetal. plz clarify Click to expand... It is acetal. acetal is a carbon bounded to two -OR groups. so it is acetal. if you get acetal from aldehyde you will get R-CH-(OR)2 and if you get it from ketone its R-C-R' and two -OR'' bound to that carbon.
D DDS13 Full Member 10+ Year Member 15+ Year Member Joined Sep 24, 2007 Messages 123 Reaction score 0 Points 0 Pre-Dental Aug 12, 2008 #3 But, im pretty sure that if c is bonded to 2 OR, 1 R and 1 H is acetal, and if it is bonded to 2 OR and 2 R and no H, it is ketal. ummm, i mean that's how i got my perfect scores in biochem. Upvote 0 Downvote
But, im pretty sure that if c is bonded to 2 OR, 1 R and 1 H is acetal, and if it is bonded to 2 OR and 2 R and no H, it is ketal. ummm, i mean that's how i got my perfect scores in biochem.
J jjw822 Full Member 15+ Year Member Joined Dec 29, 2007 Messages 148 Reaction score 0 Points 75 Pre-Dental Aug 12, 2008 #4 well that's not what it says in my text book. choice be can be made from ketone as suggested my previous reply.. Upvote 0 Downvote
well that's not what it says in my text book. choice be can be made from ketone as suggested my previous reply..
