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15 Terms
What are terpenoids?
Terpenoids are a large family of natural products linked by C5 units in a head to tail manner
they can be further classified by the number of C5 units used in construction of the basic carbon skeleton
what are monoterpenes?
C10 units (2X C5)
Describe the pathway of terpenoid biosynthesis?
why does nature use coenzyme A for claisen condensation? what do synthetics use as the coenzyme A?
Used by enzymes for recognition
Acetyl CoA
Order in the most to least reactive in ease of hydrolysis
Compare reactivities of amide and ester (draw resonance structures)
amide has alot of double bond character and sits in that structure alot (less C=O character)
amide has restricted bond rotation
ester has more C=O character ( this is also reflected in its higher IR frequency
Compare the NMR spectra of amide and ester
Compare the ester with the thioester (13C)
Why does nature use thioesters in biosynthesis?
Draw the general mechanism for the hydrolysis of ester/thioester
compare claisen condensation in organic synthesis and biosynthesis
Draw the mechanism of claisen condensation in organic synthesis
mechanism of claisen condensation in biosynthesis
