B2 CH3COOH 1.NaOEt, EtOH, 25c add base to ketone 2. CHA CHA M ELAT.782 1. LDA,...
Bra CH,COOH CIL, KOH 1. NaOEt, EtOH 2. (CH3)2CHCHI మండము 1. LDA, THF,-780 Br i NADE, EIGH NaOEt, EtOH
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
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
4. Predict the Product: NaBHA MeOH 1. LAH 요 2. H30* Ph3P li Php NaOEt EtOH 1. TBS-CI, imidazole ОН ОН 2. HO TsOH 1. NaOET 2. Br Br 3. NaOET 1. (1.1 equiv) LDA THF, -78°C 2. Br 1. (0.9 equiv) LDA THF, 0°C 2. Br
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Please help! #1 might be right but no idea on the others
Choose the correct reagent for the Dieckman reaction. ملی Eto Eto (1) NaBH(OAC)3 O (2) CH3COOH CH2N2 (COCI)2 NaOEt EtOH Choose the correct reagent(s). - لل Eto H30 + 04 CH3MgBr O H+ H2CrO4 NaOH OA Choose the correct reagent (s). (1) LDA, THE O (2) CH31 CH3=P(Ph)3 (1) Sia2BH o (2) H202, NaOH (1) LDA, THE (2) Cul Choose the correct reagent(s). (1)...
Need Help. Will Rate If Complete.
1) NaoEt, EtOH Br 2) O 3) H30+ / A. 1) NaoEt, EtOH (s) ar 2) Y Br 3) Hz0+ / A 1) NaOme/MeOH ~ Br OMe 3) Hz0+/A. 1) NaOEt, EtOH 2) V Br 3) NaOEt, EtOH COOEt 5) H30+/A Robinson Annulation NaoEt, EtOH/A come lui OMe 28- The following molecules can be formed by either: Michael Reaction; Enamine Acylation; Acetoacetic Ester Synthesis; Michael Addition; Malonic Ester Synthesis; Robinson Annulation; Aldol Condensation; Claisen...
(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.
Need help filling in these blanks for an asignment
NaOEt/EtOH calor 6. 1. LiAlH('Bu0) 2. LDArt 3. CH CH Br
Ketone 1 gives two different bicyclic products
depending on the base used: when treated with potassium
tert-butoxide at room temperature, it produces ketone
2, while when treated with LDA at low temperatures
and then heated, it produces ketone 3. Write
arrow-pushing mechanisms for the formation of both
2 and 3 and explain why the
reaction conditions favor each product.
1. KOtBu, tBuOH 1. LDA 2. H2O 2. H2O Br
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)...