4. Draw the products of the following sequences of reactions. 1) NaOET, HOE 1) NaOEt Eto OEt 2) H3O+ 2) Br | 1) LDA, -78°C 2) 0 H30+ heat H 3) NaOH, heat 1) LDA (1.1 equiv), -78°C, THE 2) CH3Br 1) CH3CH2MgBr 2) H30* H2, Pd-C LU H2SO4 NaOH, H2O 1) LDA, -78°C 2) HOE 3) H30+ 1) O3 2) CH2SCH3
give mechanism 3.1 sc)o 2. CH3(CH)&B \ 3. Нзо", heat O/ d) 1. NaOEt 2. dil. H3O OEt 1. LDA, -78°C 2. CH CH2Br f) 1. NaOH, 2 2. H30 1. NaOH, heat g) xs NH3 (SN2) 1. Br2, PBr3 2. H20 h)
colecta NaOH H + CH3 then heat NaOH tir then heat NaOH (CH3)2Culi then heat 1. NaOCH3 CH3OH OCH3 2. dil. HCI O 1. LDA 1. LIAIHA het hy 2. Br 2. H2O* 1. NaOCH3 1. NaOCH3 2. CI OCH; 2. Ph Br 3. H3O+, heat 1. LDA 1. LDA 요 2. 0 CI 3. H3O+ 2. H 3. H30+
Draw the major product of the following reaction sequence. 1. NaOH 2. H+ COOEt 1. NaOEt ? COOEt 2. H20+ 3. heat -H Create OscerSketch Answer 4 Incorrect: Answer has an incorrect structure.
what is reagent 2? A NaOH G Heated KOH Reagent 1 Reagent 2 Product 1 B HgSo. / H2SO4 H Br/ hv с 1.) Na NH2/ heat 2.) H2O LDA OH C1 D Br E к Cl2 Reagent 3 1.) Sia BH home Product 2 CI F NBS/hv 2) HẠO, NaOH
2) CHs LDA 1) LDA 3 2) Ci OH, H20 -OH, H2O CHO 1 LDA 2) CH3CH2Br Он, H2O 1) NaOEt 8 2) NaOEt OEt 10 Cl NaH 2 (excess) 12 HO Bra(excess) 13 HO LDA 14L THF, -78 C NaOEt, EtOH NaOEt, EtOH 16 NaOEt, EtOH 17 Br но 18 OOEt 1)NaOEt, EtOH 2) H3O 19 OEt 20 l HO o CHO + H20
Give the major organic product of each reaction. 8. a. LDA н b. H c. mild H NaOH, H,O н a, LDA b. f. н NaOH, H,O, heat c. mild H NaOH, H,O O NaOH, H,O H CYD a. LDA b. d. h. NaOH, H,O, heat c. mild H*, heat 9. Give the major organic product of each intramolecular Aldol reaction. NaOH, H,O a. heat H NaOH, H2O b. heat NaOH, H,O NaOH, H20 d. heat 10. Propose starting materials...
H,SO HO 1. BHTHF 2. HẠO, NaOH ou H,SO H0 1. Hg(OAc),,H,O 2. NaBH H.PO H.0 Draw the mechanisms of each of the reactions including all electrons and arrow pushing
le chatelier experimen Thursday). 1. What starting material and reagents are needed for the following multi-step synthesis (HINT: aldol reactions work best when the starting material can only form one enolate)? 5 он о D. NaOH, H2O, Heat F. HO E. NaOH, H2O G. LDA Starting Material: Reagents: 2. LDA is a strong, sterically hindered base and will form the enolate. Sodium hydride is a weak base and will form the _ - enolate. Kinetic enolates are the stable and...
1) NaOEt 2) H30+ 1) LDA, -87°C 2 O1)LDA, -87°C Cl O 1 NaH, 25°C O NaH, 250C 2) Cl