could you please show the mechanism for this? 4 stereoisomers a. 1. LDA (1.1eq) -78C 2....
Could you please show the mechanism for
this problem?
NaOH, H20 Z mix 4
Could you please show the mechanism for
this?
И о f. NaOH, H20 н 2 3 A s O 4 Cs-C о
Please show a clear mechanism.
7.) What is the mechanism and main product for the following series of reactions? (4 points) (Spring '18) 0 0 0 1.) CH-CH20 Na* 2.) HCI 3.) 5 x LDA 4.) 4x Br 5.) excess H,0', A
1.
2.
3.
4.
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)...
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
Could you please show a
detailed ARROW-PUSHING MECHANISM for the above reaction? Especially
for the first step, the reaction with water to give the alcohol.
PLEASE show any intermediates that may form along the way.
Thanks!
HCI H2o who HW ANTO - 0S0 0-520 1 CI - OH ÖR H jöth н H20 H2SO4 HNO -OH
4. Provide the products of each reaction (3pts, 2pts) 1. H2O+ OCH; 2. NaOCH, CHOH OCH 3. H, A 4. NaCN 1. LDA 2. Pho 3. H , A 4. EtMgBr 5. Provide an arrow-pushing mechanism for the reaction below, and state how many product stereoisomers are possible (5 pts) NO2 cat. KOH ЕКОН
Synethsis and Mechanism
1. LDA 2. CHI
B2 CH3COOH 1.NaOEt, EtOH, 25c add base to ketone 2. CHA CHA M ELAT.782 1. LDA, THE, -78C LDA, THE B ~ 3. LDA, THE Br CI2, KOH
2. Predict the products for the following reaction. Show stereoisomers formed and the mechanism of the reaction. H.SO HO