4. Provide a mechanism for Boc-deprotection IN N. TFA H₂N OH Дон OH R R

Rank the following carboxylic acid derivatives in decreasing order (most to least) of reactivity towards nucleophilic substitution. O I > IV > II| > || O || > ||| > IV > I O | > ||| > | > IV O III > IV> | > | O IV > I > III > || = ||| CI OCH3 11 IV NH₂ ONa

OPh OPh D CI Br N E N Но o-SiMeg OH OPh OPh F NH2 Но N Но OH OH A V ( Choose ] Bu4N+ F- МСРВА (Ваyer villager) Mg, then CO2 (Kobe!!!!) NH3 (SNAR) H2S04, Heat (Fisher esterification) 03, DMS (ozonalysis) Choose (Choose ) E [ Choose ) F [ Choose ) B.

PLEASE, provide the missing reactants, reagents or products to complete the reaction.

Macmillanne Bed Chapter 86 Question 7 of 14 View Policies Current Attempt in Progress eTextbook and Media Identify reagents that can be used to achieve the following transformation: Save for Later How To Write Biolo... O 1) NaOH, 2) RCO3H, 3) H3O+ O 1) Conc. H₂SO4, heat, 2) RCO³H, 3) H³O* O 1) Conc. H₂SO4, heat, 2) OsO4, NMO O 1) NaOEt, 2) OsO4, NMO > F1 F2 Type here to search OH OH 8- & ▶/11 a Amazon.com 150 E... F3 F4 04 F5 OH Attempts: C F6 PrtSc

Define Elimination Reactions ?

24. Which product is formed by the reaction ? A) | B) || C) ||| D) IV Br ОН NaH Br ... هستم IV

Rank the following carboxylic acid derivatives in decreasing order (most to least) of reactivity towards nucleophilic substitution. bl || A. B. C. D. E. NH₂ مل I > IV > III > || || > ||| > IV >| | > ||| > || > IV III > IV> || > | IV > I > III > || IV

Complete the following reactions by filling in any missing reactants, reagents or products. a) Zn(Hg) conc. HCl b) ОН ? с) ОН РСС CH,Cl,

Explains the mechanism step by step. Thank you for the help.