Organic Chemistry 3) Propose a stepwise mechanism for the following transformations- NaOEt 0 EtOH H OET...
Draw the organic product formed in the following reaction. OEt [1] NaOEt, EtOH [2] H, 0+ 0 Et draw structure ...
Propose a reasonable arrow-pushing mechanism for the following
transformations. (Organic Chemistry, Synthesis)
4. Propose a reasonable arrow-pushing mechanism for the following transformations. Br Br2 ど。 OH H2SO4 H20 OH
Identify reagents that can be used to accomplish the following
transformations.
OH OEt Etl [H']. EtoH, -H20 H2SO4, H2O 2) EtOH Eti OH H'] EtOH, -H20 H2SO4, H20 2) EtoH 1NaOH 2)Etl OH PCC OH H]. EtOH, -H20 2) EtOH Etl OH Na2Cr20 H2SO, H2O H']. EtOH, -H20 EtOH
b. Propose a mechanism that accounts for the following reaction HCI CI OEt EtOH
3. Propose a mechanism for the following transformations:
KOET EtOH
of the following transformations. 28.76 Propose a mechanism for each of the following conc. H,804 Heat conc. H2SO4 Heat conc. H2SO4 Heat ЕТОН Heat NaOEt EtOH
Propose a stepwise mechanism for the following reaction of a B-keto ester. Suggest a reason why this rearrangement reaction occurs. [1] NaOET EtOH [2] H2O* Step [1]: 00: OET OS OCH CH O OH OCHCH CO2CH.CH v DE :0: LOE :: CO.CHCH OCH CH HOCH.CH Step (2]: OE CO_CHCH SH OEt :O: OCH CH3 :: OE: 70: : Et CO2CH2CH3 OCH₂CH₂ Step (3): Et0 :0 OE :0: 19:0: 1 OCH CH O OCH CH3 :0 OE 0 O: Et:0 CO.CH.CH...
What's the major product in each step of the reaction?
e) 1. NaOEt, EtOH dilute OEt Eto 2. HyO*, heat 1. LiAIH4, ether 1. DIBAL, THF 2. H', H2O h) 1.2 eq. CH,CH2MgBr, ether 2. D3O OCH, 1) OH, H20 3) EtOH, H,o* 2) H,o 4) excess CHMgBr 5) H,O
Show the steps (don't show mechanism)
Ex. 2: Propose a synthesis for the following transformations: a) 1. CI 2. Jones OH 3. Hz. Pd/C Н HO OH I
3. Propose a reasonable mechanism for the following transformations. OH [H,80] НО 4. Predict the product of the following transformation by drawing the mechanism of the reaction. Н4С H H20 CH₂CH2 CHA Br2