Question

Topic: Organic Chemistry Please make all drawings very clear. Please show all work and side products along with brief explanations. Thank you.

Each of the following transformations can be carried out in no more than three steps. Fill in the reagents required 3. for each step. If a step is not needed, mark an X for that step. а. 1 2. 3. b. 1 NEt2 2. 3. C. 1 он OPh Н. н 2. 3. d. OH 2. 3. е. 1 Он 2. 3.

Answer 1

Here you go:

Afteck by pyrole at the Carbonyl centre u vy 23).Zn(9),| - Reduction of Carboryd to methylene b) Evelz Don T Done Ho Basic hyabolysis to convert amine tooreid 2 PUS Chlorination of acidic group D hoom 3) is not required. o SH SH, HO o protection of active ablehyde group add to ester the 2) cay My By 3 Hao ocidic hysholysis to deprotect the-CHOS X OH y CrO3, Pyridine tro 2) ETW, te Oxiabation of Conden Souton reaction alcohol to aldehyde 3) is not required f or 2)6467307H@ ocid hyabolysis osc Shong oxidation to deproted the acetal group DHA Ghost to acid

e) step 3 is not required.