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can you show the products for these claisen and crossed claisen reactions D. 1. NaOEt 2....
can you show the products for these claisen and crossed
claisen reactions
A. O 1. NaoMe 2. H30* OMe B. 1. NaOEt 2. H30 OEt C. 1. NaOEt 2. H30* Eto
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
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...
8. Give products or required starting materials for these crossed-Claisen condensations that use two different esters. Note that the first ester is added to the base to form an enolate. (If the base were added to the ester, enolates would form and react with the ester present in the flask). Give the enolate for the first reaction. 1) O 2) OK iPro ОMe Meo t-butoxide THF 1) 2) N LÝ OMe Eto Meo LDA 1) 2) Meo Оме Eto LDA...
1.
Give a detailed mechanism for each of the following reactions.
2. Classify each of the following reactions as an Aldo
condensation, a Claisen condensation, Dieckmann condensation, or
Michael reaction
1. Give a detailed mechanism for each of the following reactions. 2. Classify each of the following reactions as an Aldo condensation, a Claisen condensation, Dieckmann condensation, or Michael reaction. & then H30+ hale ch CHO CHO 1. ETON, ETOH 2. H307 Room temperature OH CO2Et CO2Et 1. Catalytic NaOEt...
1. Predict the product(s) for the following reactions (6 pts). CEN NaOET 2. Eto 1) NaOEt 2) CH31 3) NaOEt 4) PhCH2C1 1) NaOOH 2) H2SO4 (aq), heat
Which of the following sets of reagents and sequences of reactions can be used to complete the following synthesis? 0 0 HO OH Eto DET A. (1) Dimethyl malonate, NaOEt; (2) 1,4-dibromobutane, (3) NaOEt, (4) H30, heat B. (1) Dimethyl malonate, NaOEt; (2) 1,3-dibromobutane, (3) NaOEt, (4) H30", heat C. (1) Dimethyl malonate, NaOEt; (2) H30, heat, (3) 1,4-dibromobutane, (4) NaOEt D. (1) Dimethyl malonate, NaOEt; (2) H307, heat, (3) 1,3-dibromobutane, (4) NaOEt What is the product of the following...
3. (3x10-30 points) Reactions. Give the product structure of following reactions, indicate stereochemistry where appropriate. A) + Ph2pt-CHCH3 i. EtMgBr (excess) B) . H3o i. NaOEt Eto C) ii. H,O i. LDA D) i. C2Hs C12, hv E) Me AlC F) NaOEt OEt Ni, H2 H) heat OEt NaOEt EtO OEt Br
Provide the product for each of the following non-crossed aldol
reactions.
1. Provide the product for each of the following non-crossed aldol reactions. (10 pts) 1. NaOH 2. H+ 1. Na O Me Me Me Me Me 2. H+ 1. NaOH 2. H+ Me 1. NaOET Me Me 2. H+ 1. NaOEt 2. H+ Me
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...