Need Help. Will Rate If Complete.
Need Help. Will Rate If Complete. NaOH, H20 н NaOH, H20 Н СНО 1) LDA (1.1...
Need Help. Will Rate If Complete. NaOH, H20 wborn Bonaparte 1) NaOPr, ProH 2) H30+ OMe 1) NaoMe, MeOH Ome 2) H30+ 1) LDA (1.1 eq) 2) Et 3) H20 1) NaOEt, EtOH 2) H30 Eto OEt COOEt COOEt 1) NaOet, EtOH 2) H2O
Predict the products for the following reactions. Note – think about the base being used – is it catalytic? If so, can the product molecule ring-close? NaOEt OEt 1) Ph,CuLi, -78°C 2) H20 1) NaOEt EtO OEt 2) NaOH/H20 3) HСИН20 4) Heat 1) R2NH, H 2) H 3) Н,о" 1) R2NH, H* Ph 2) 3) Нзо* NaOEt OEt 1) Ph,CuLi, -78°C 2) H20 1) NaOEt EtO OEt 2) NaOH/H20 3) HСИН20 4) Heat 1) R2NH, H 2) H 3)...
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
pls do B to P thanks HCFO AIC Br CH O A (Substitution) NO 1) LDA 2) H,о* 1) NaOh 2) 3) H5o', A 2) нCL H,о H then H.O EIMgBr H 1) Eto 2) но", А EtO OEt CN NaH J Br LDA/THF K -78 °C Br LDATHF L 0°C Br S H2 Raney Ni M 1) CF COOOH 2) LIAIH N Ph.PECHCH ETOH P HCI HCFO AIC Br CH O A (Substitution) NO 1) LDA 2) H,о* 1)...
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
OH r. Он reagent(s) Br OEt S. reagent(s) Br Он K2Cr2O7 (excess) H2SO4, H20 Он но 1. PhLi, Et O 2. HCI, H2O 3. SOCI2, EtN 4. NaOAc u. н 1. Mg (1 eq), Et2O V. Br 2. (1 eq) -сно 3. HCI, Н,О W. 1. NaBH,, MeOН, 0° С 2. PBra THF 3. LIAID4, THF 4. HCI, H20
Predict the products for each reaction shown below N NaOH N NaOH THF LDA 1) NaH, THF EtO THF-78 °C 2) CH3CH2Br heat HO CH3COOH KOH CH3NH2 KOH MeOH 1) NaOMe, MeOH 1) HCI, H20 OH 2) PhCH2Br 2) 180 °C
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...
(more synthesis, continued. 2 points each) 2 Bra 2 NaOH Ph water g. 1. LDA 1. NaOCHs CHOH 2. BrCH CH2CHs 3. H', H20, heat H Ph (warmup, long time) NaOEt k. OEt EtOH 1. PPhs Br 2. BuLi 3.
28 - Fill in the hal ini tersing a 08 - Fill in the boxes with the product(s) for the following reactions. Draw only the predominate regioisomer and indicate the stereochemistry where appropriate. If a racemic mixture is formed, you may indicate this using a wavy line or mark the chiral center with an asterisk (*), and write racemic in the box. 1) NaOPr, ProH 2) H307 1) NaoMe, MeOH OMe 2) H30+ 1) LDA (1.1 eq) 2) OEt 3)...