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Question 1 6 pts HO Starting material 1.LIAIH4 2. H30* HO Which starting material will give...
Which starting material would best accomplish this transformation? 1. SOCI2 2. CH3NH2 3. LiAlH4 4. H30* Н OH Br Which is the best starting material for the following reaction? CH3CH2NH2 ? pyridine HN o о NH2 С- CI OH Which are the best reagents for the following transformation? OCH3 core O 1. (CH3)2CHMgBr 2. H30+ 1. NaOH, heat 2. (CH3)2CHCH=PPh3 O 1. LiAlH4 2. TosCl, pyridine 3. (CH3)2CHCH Br O 1. DIBAL 2. (CH3)2CHCH=PPh3 What is the major product in...
predict the major products
a. РСС HO b. 1. LIAIH4 2. HзО* ОН С. OsO4, (CH3)3COOH (СH3)3СОН, НО- d. NABH4, EtOH e. 16 1.Et2O 2. H30* + CH3CH2MgBr f. H2SO4 OH 2 heat h. ОН HIO4 -OH i. OTs KSH
Answer the following 5
questions:
1. What is(are) the
starting material(s) in the reaction below?
2. Determine the
stereochemistry of the following alkenes.
3. What is (are) the
product(s)?
4. Select the correct
drawings of the elimination product(s) formed by treating the
starting material with a base.
5. Indicate how many
unsaturations does this molecule have?
Quiz CH 7 (10 points) CHEM 333 1. What is (are) the starting material(s) in the reaction below? (CH).COH CH, - HCHC=C- =CH-CH- (2...
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...
2. (4 pts) For each [OH-] below, give the [H30+1 a. 10.0 x 10-6 M b. 8.4 x 10-4 M 11x 10 3. (4 pts) For each pH below, give the [H3O+]. 10. a. 8.5 b. 2.9 10 PH 13.16 x 10-a 11.26 * 10 31 4. (4 pts) Give the conjugate base for each acid below. a. HPO4-2 b. HNO3 NO 5. (4 pts) Give the conjugate acid for each base below. a. H2N- b. PH3 IHN
Please answer the following question, parts a-e.
PARTA Which starting material would NOT be effective in synthesizing the product shown using Grignard chemistry? A B OH с Di D Ос ОА o B O D PARTB Assign an IUPAC name for the following molecule. OH PARTC Which is true concerning Grignard reagents and organolithiums? O they are weakly nucleophilic but strongly basic O they are neither strongly nucleophilic nor strongly basic O they are both strongly nucleophilic and strongly basic...
A-C and bottom question
In the following starting material(s), reagent(s) or product(s) are missing. Fill in the missing material. 1) [H30*), Brz 2) pyridine 1) Bra. PBrg 2) H20 1) Excess NaOH, Excess Bra 2) H30* NaOH Heat о Eto O Heat NaOET OEI 2) H30* DET f.and g. (In your answer include the temperature at which you would you run these reactions?)
Provide starting material and show mechanism
1)DIBAL-H 2) H30.
please help!! thank you!
Which of the following compounds is most reactive towards nucleophilic addition reaction? H1 H H A B С D E Predict the product for the following reaction sequence. iii PBrz Mg/ether Н H Cr04 ОН 2. Hz0+ A. 6,7-dimethyl-3-nonanol B. 6,7-dimethyl-3-nonanone C. 6,7-dimethyl-3-nonanal D. 3,4-dimethyl-7-nonanol E. 3,4-dimethyl-7-nonanone Predict the product for the following reaction 1. LiAlH4 (excess) 2. H30* OH OH OH -Н HO B с D Provide the structure of the ylide needed to prepare...
For each of the following reactions supply the missing starting
material(s) or final organic product(s) in the bobxes provided.
HO Ph 1) LiAlH4 2) H20 Me Me Mel Br2 H30 1) PBr3, Br2 2) H20 OH excess NaOH 1) excess Br2 2) H30 Reaction Name: