Identify the best reagent(s) for the reaction shown below. H O N. Q @ он- A H2O B 0 CF3CO2H DCC D H2 Pd-C

Can you please check if the reagent and intermediate are correct as well as the Meta direction?

Provide the appropriate reagents for the example

Identify the missing reagent, 1) ???? 2) NaCN OH CN O PB13 O TSCI (Ts: Tosyl) O CISIME3 (Trimethyl silyl chloride) socI2 O sOCi2

What is the major organic product obtained from the following sequence of reactions? O C B Br A (CH3)3COK CH3CO3H H₂O H₂SO4 None of these A OH OH B D ||||OH OH OH OH

Answer the following questions based on the given reaction scheme: A OH он So;Na conc. H,SO, NaOH ŠO,Na Br C он OH он Br acid Br SOgNa Br 200 °C H,SO, SO,Na Which step(s) require heating? DA OB OC OD OE In which step(s) does aromatic halogenation occur? DA OB OC DE In which step(s) does aromatic sulfonation occur? DA OB OC OD OE What is the name of the product?

22

What prochirality is correct?

Aa.132.

Select the correct reagent for the following transformation O H2/Pt O XS LAH O PCC O NaBH4 O Na2Cr207, H2SO4, H2O OH