Which of the following reaction conditions conditions would produce the product identified in the following reaction scheme?
1 equivalent LiAlH4 in THF, followed by a dilute acid work-up |
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Excess LiAlH4, followed by a dilute acid work-up |
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1 equivalent NaBH4 in ethanol |
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Excess NaBH4 in ethanol |
Which of the following reaction conditions conditions would produce the product identified in the following reaction...
Which of the following reactions would not normally yield an alcohol? A. Oxymercuration/ de mercuraction of alkenes B. Hydroboration of alkene C. Reaction of a carboxylic acid with NaBH4 D. Reaction of ketone with a Grignard reagent Which set of reagents is the best to perform the following transformation? OH step(s) A. PCC; CH2MgBr, POCIz/pyridine B. tosyl chloride; CH3MgBr C. PBrz; Mg(0); CH31 D. CrOz/H3O+; NaBH4, CH MgBr 1) excess LiAIHA 2) Н,0* І, Но но- Но он но- он...
Please answer all questions 13) Which of the following are intermediates in the acid hydrolysis of an amide? Hyo. he at NH, SOH но он HO, OH RANH NH RAH он RNH н н 2 4 A) 1 B) 2 C) 2 & 3 D) 4 E) 1, 2, & 3 14) Acids can be reduced to aldehydes by A) treatment with LiAlH4 B) conversion to the acid chloride followed by treatment with LiAlH[OC(CH3)313 C) conversion to the amide followed...
Select the major product of the following reaction scheme: Reaction NaBH4 of Dilute HCI EtOH, 25 °C 25 °C А D CI HO OEt B m O= НО HO ОН H С F Eto OEt OLA (No Reaction)
Testbank Question 34 What is the major product for the following reaction? a. Hg(OAc)2. CH3OH NaBH4, NaOH +enanti omer +enanti omer он None of these choices. Testbank Question 39 What is the major product of the following reaction sequence? 1. H2, Pd/CaCO3. quinoline 2a BH3 THF 2b. H202, NaOH но он Гон Testbank Question 34 What is the major product for the following reaction? a. Hg(OAc)2. CH3OH NaBH4, NaOH +enanti omer +enanti omer он None of these choices. Testbank Question...
Select the major product of the following reaction scheme: Select the major product of the following reaction scheme: Reaction NaBH4 Dilute HCI EtOH, 25 °C 25 °C A que HO OEt B E HO H HO ОН F & ΕΙΟ" OET (No Reaction) ol. A oll. B olll.c IV.D OVE VIF
Using the bank of reaction conditions, complete the synthetic scheme. Each condition should only be used one time. BANK iii. iv. ОН ОН ш. , м. , HO НО Br H2SO4 heat a.) b.) Br2 CHCI 1. LIAIH 4, ether 2. H30 NaBH4 ethanol H20 HBr d.) NaOCH3 h.) CH3OH H2O e.) f.) 9.) H30
This is for Organic II. Thank you! Give the primary product that would result from the following reactions: NOTE: If the problem involves multiple reactions, and you cannot determine the final product, draw the structure of any of the intermediate products (and indicate which reaction the product is for, i.e. Step # 1 , Step # 2 , etc.) 1) BHs, THF 2) н.о,. он-) 3) (CH3)2NH 4) H2, Pt/C Cat. н. он N-CH3 b) 1) н,о'*) 2) Na2Cr o,,...
The principal product of this reaction is: I, II, III or IV? CHO НО- -Н I -ОН 1. NaBH4 H -ОН 2. H,0* НО- -Н CH2OH СОН ÇOCH СН,ОН ÇO2H -Н НО. НО- -Н НО- -Н НО- -Н Н- -ОН H -ОН Н. -ОН -ОН H— Н- -ОН -ОН H Н- -ОН -ОН H— НО -Н НО- -Н НО- -Н НО- -Н CH OH CH,OH СОН СОН III IV -
Which is the major product of this reaction? CN 1. Et MgBr 2. acid workup our order on one A B C D A B С D Which compound is a D-isomer? Н. Н. T НО- -Н НО——н НО -Н Н——он Но——Н НО- H -Н он І Н. -он H- -он НО -Н НО -Н CH2OH НО- Н -ОН НО -Н СН2ОН Н. -он НОН Сньон CH OH А B с D OA B Ос D
Thinking about oxidizing and reducing agents, what is the product for letter the "H" in this reaction? LiAlH4 н НО НО ОН он НО Which of the following is the correct order of reactivity, from fastest to slowest, toward acid- catalyzed dehydration alcohols? I. OH H,C CH₃ II. ÇHz (A) I>II> III (B) I>II>DI (C) II >> (D) III >I>11 (E) III >II>I ОН H_C CH, III. HC H, OH Choose the incorrect reaction in this scheme. (C) (B) (D)...