13. Give the curved arrow mechanism for each alkylation reaction. a. LiNiPr, (LDA) a. b. CH,Br CH, a. LiNiPr, (LDA) b. CHy-CHCH, b. 14. Explain why reaction G gives good yields of the product shown, while the yields are not as good with reaction H. о a. LDA G: b. CH,I CH a. LDA H: b. CH,I CHy 15. Give the major organic product of each reaction. Cl2 a. LDA CH,CO,H b. PЬСH, a. LDA Br2 b. f. b. CH,CH,CI...
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)...
Provide the major product for the following reactions:
b. NaH, THF CH Br 1.1 eq LDA, THF D O NaOD 1. LDA (1.1 eq) 2. CH2CH 3. LDA (1.1 eq, -78 °C) 4. CH 1 equiv. Br2 NaOH, H2O
Please show the mechanism and final produxts flr rhe folllwing
reactions:
1. LDA, THE Br, CH;CO2H .. NaOEt, EtOH . 1. LDA. THE 2. CHjI add base to excess ketone OE NaOEt, EtOH
1. Road-map: NaNH2 1. LDA 2. CH,Br Na/NH 1. O3 2. DMS H2, Lindlar's cat. 1. KMnO4 OH, heat 2. Н,о* 1. OsO4 2. H2S Br2, H2O NaH
50) 5. Complete the following reactions: 1. LDA a. HC— —c=CH. | 2 CHI bi HC -CECH HO HgSO4 Br. H2O D y Bes: 140 –c =c =CHg. Lindlar H, Pd 1. BH; f HCC-CECH 2. H2O2 HCl 8. Hc ——*-=ch KOH, Alc., Heat KCN HBO
predict the products of the following reactions
0 () CH,CH CCH,-C-OCH, NocCH (2) CH (3) Ho .heat (I) NaOCH2CH (2) H,O', heat (b) CH,-C-CH-C-OCH,CH,+ CH, (1) LDA -OH (c) Ph CH, () CH,CH,CH,Br (1) H2C-CH CH,Br (2) H0* OCH, NaOCH Ph (2) CH,CH,CH2CH2Br (g) product from part (f) (decarboxylation)
0 () CH,CH CCH,-C-OCH, NocCH (2) CH (3) Ho .heat (I) NaOCH2CH (2) H,O', heat (b) CH,-C-CH-C-OCH,CH,+ CH, (1) LDA -OH (c) Ph CH, () CH,CH,CH,Br (1) H2C-CH CH,Br (2) H0*...
1. LDA Et 2. CH CHI 7. Hoc LDA ? Co
Bra CH,COOH CIL, KOH 1. NaOEt, EtOH 2. (CH3)2CHCHI మండము 1. LDA, THF,-780 Br i NADE, EIGH NaOEt, EtOH
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