Chemistry 1. For each of the reactions below, give the structure(s) of the product(s), and be sure to indicate relative stereochemistry where appropriate. If more than one product is formed, indicate if they will be formed in equal amounts, or if one is expected to be the major product. If no reaction is expected to occur under the indicated conditions, then write "no reaction" or N.R. and explain why you would expect nothing to occur. 1. NaOMe, TSO 2. КОН 3. H₂O, A 1. LDA 2. NBS CH₂ d. CH₂ CH₂ CH₂ Da H₂C CHCH₂ Pone H, Br₂ D₂0° 1. LDA 2. NCS 1. Mel 2. D₂0* OTS

OH The transformation above can be performed with some combination of the reagents listed below. Give the necessary reagents in the correct order for each transformation, as a string of letters (without spaces or punctuation, such as “EBF"). If there is more than one correct solution, provide just one answer. A C t-BUOK HBr, ROOR conc. H2SO4 D E F Н2, Pt H2, Lindlar's cat. HBr G H 1) BH3-THF; 2) H2O2, NaOH HC=CNa TSCI, pyridine Reagent(s):

3. For each of the reactions below, give the structure(s) of the product(s). Be sure to indicate relative stereochemistry if appropriate. If more than one product is formed, indicate whether they will form in equal amounts or whether one will be the major product. If no reaction is expected to occur under the indicated conditions, then write “no reaction” or NR.

12. a) Provide the structures of reagent 1 and 2 that are required to generate the following alkyne: Route 1 Reagent 1 1. NaNH,/NH3 2. CH₂Br 2 molar eq HBr 2 equivalents NaNH, NH3 H₂ Lindlar's Catalyst Pd b) Provide the structure of the product, with the correct stereochemistry where necessary, for each of the following transformations involving alkynes. If there is no reaction, write 'NR' in the respective box. excess C1₂ Route 2 NaNH, NH3 Reagent 2

Write the mechanism(s), major product(s), and stereochemistry(ies) for each of the following reactions:please do them in the structural form i have them

For the reaction below, provide the IUPAC name of the product, and answer any additional questions. a. Product's systematic IUPAC name: b. What mechanism is in effect for the above reaction (SN1, SN2, E2, E1)? 13 -Baint- c. What is the name of the regiocontrol exhibited in this reaction product (if there is no regiocontrol answer with none)? R Br 17 I-BUONA %5 ? T 7 hp 8

help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working

2. For each of the reactions below, give the structure(s) of the product(s), and be sure to indicate relative stereochemistry where appropriate. If more than one product is formed, indicate if they will be formed in equal amounts, or if one is expected to be the major product. If no reaction is expected to occur under the indicated conditions, then write “no reaction" or N.R. and explain why you would expect nothing to occur. (a) NaBHЗCN then H30* work up (b) NH2 Br2, NaOH, H2O (c) MCPBA then heat NME2 Me HH (d) i)Mel ii) Ag,0, heat Me H H (e) CH;NH2 LIAIHA Et,N then H* work-up NK (f) N2H4 Br DMF ELOH, reflux (aprotic, polar solvent)