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draw all products; answer all parts
Draw the two final products for the following reaction. Watch...
answer all parts Identify compounds A, C, D and E in the following synthetic sequence: OCH,...
answer all parts
Identify compounds A, C, D and E in the following synthetic sequence: OCH, Bri Mg PCC но он D- - E FeBr ether 2. Ho CH, CI, H,0° cat. Hint: For the first reaction, remember you have two ortho/para directors for the electrophilic bromination of the ring, but the methoxy group dominates (stronger electron-donating effect). Identify the structures of compounds A to D in the following synthetic sequence: dilute H K.C. MBO MESO, no nec KH,H,O, KOH,...
draw the products as described Draw the structure of A and B in the following synthetic...
draw the products as described
Draw the structure of A and B in the following synthetic sequence: (note structure A is a salt, don't forget the counterion.) CH, Ag, O, H,0 A- - B excess heat Draw the structure of A (one product) and B (two products) in the following synthetic sequence: (note structure A is a salt, don't forget the counterion.) CH, - excess A Ag, O, H,0 - 2B heat NH Draw the final amine product for the...
Draw the products AND mechanism of the reaction and indicate the stereochemistry where appropriate. name all...
Draw the products AND mechanism of the reaction and indicate the
stereochemistry where appropriate. name all products and reactants
CH2CH3 DMSO + Осна н сна
For each reaction: draw all products, label the Zaitsev and Hofmann products, if there is more...
For each reaction: draw all products, label the Zaitsev and
Hofmann products, if there is more than one elimination product,
and circle the major product.
Hint: LDA is a strong bulky base
4. (16 pts) For each reaction: draw all products (use your Substitution/Elimination Review PowerPoint and your book!) label the Zaitsev and Hofmann products, if there is more than one elimination product. circle the major product. Hint: LDA is a strong bulky base E1OH OTs CI LDA NaOH Br...
Draw the structures of the organic products in each reaction of the following two-step synthesis. (Hint:...
Draw the structures of the organic products in each reaction of the
following two-step synthesis. (Hint:
The nucleophilic amine attacks the electrophilic carbonyl carbon,
and the resulting intermediate undergoes a proton shift and
dehydration. Recall what is eliminated in a dehydration process.
The second step is a reduction reaction; the reducing agent is
NaBH3CN (or H2, metal catalyst). The aromatic ring is unaffected by
these reagents. Look at the product of the first reaction and
consider what can be easily...
Draw the structures of the organic products in each reaction of the following two-step synthesis. (Hint: The nucleo...
Draw the structures of the organic products in each reaction of the
following two-step synthesis. (Hint:
The nucleophilic amine attacks the electrophilic carbonyl carbon,
and the resulting intermediate undergoes a proton shift and
dehydration. Recall what is eliminated in a dehydration process.
The second step is a reduction reaction; the reducing agent is
NaBH3CN (or H2, metal catalyst). The aromatic ring is unaffected by
these reagents. Look at the product of the first reaction and
consider what can be easily...
1- Draw all of the expexted products from the reaction and explain. Draw the products of...
1-
Draw all of the expexted products from the reaction and
explain.
Draw the products of the reaction.
(2 equiv.) NH Select Draw / H2C--0-0- HC=CH CH + OH- - CH3 HC-CH cs H3C-CH2-C-N-CH3 + HCI heat
Draw an arrow-pushing mechanism for each step of the following two-step reaction sequence and draw the resulting product...
Draw an arrow-pushing mechanism for each step of the following
two-step reaction sequence and draw the resulting products. Don\'t
worry about the phenyl groups attached to phosphorus; just
abbreviate them with Ph.
Draw an arrow-pushing mechanism for each step of the following two-step reaction sequence and draw resulting products. Don't worry about the phenyl groups attached to phosphorus; just abbreviate them wi Ph. 1.CH,I Ph-P: -> phosphonium ylide 2.BuLi Ph Draw Hs, lone pairs, and curved arrows. Draw Hs, lone...
11. Draw the complete mechanism for the following reaction. Assume that this reaction takes place via...
11. Draw the complete mechanism for the following reaction. Assume that this reaction takes place via El mechanism. (Hint: a series of carbocation rearrangements will occur) HH Weak Base EtOH н HO HO 13. Using acetylene as one of the starting materials and any other reagents required, outline a synthetic route (including all reagents, proper order of addition and the product for each step) to obtain the following compound (with the stereochemistry shown):
1a. Draw the product in the following lb. Draw the two diastereomeric substitution products reaction and...
1a. Draw the product in the following lb. Draw the two diastereomeric substitution products reaction and clearly indicate the obtained in the reaction below. stereochemistry. Br CH2OH, CH.DH, Br reflux H. LL. DMSO CHBuOK. + t-BuOH + KCI t-BuOK 1 equiv 1c. Draw the reactive conformation (with 1d. The most favored and least favored compounds arrow pushing) and the product for the that could be obtained by treatment of 2,4- reaction below (show stereochemistry). dimethylpenta-1,3-diene with one equivalent of HBr....
answer all parts
Identify compounds A, C, D and E in the following synthetic sequence: OCH, Bri Mg PCC но он D- - E FeBr ether 2. Ho CH, CI, H,0° cat. Hint: For the first reaction, remember you have two ortho/para directors for the electrophilic bromination of the ring, but the methoxy group dominates (stronger electron-donating effect). Identify the structures of compounds A to D in the following synthetic sequence: dilute H K.C. MBO MESO, no nec KH,H,O, KOH,...
draw the products as described
Draw the structure of A and B in the following synthetic sequence: (note structure A is a salt, don't forget the counterion.) CH, Ag, O, H,0 A- - B excess heat Draw the structure of A (one product) and B (two products) in the following synthetic sequence: (note structure A is a salt, don't forget the counterion.) CH, - excess A Ag, O, H,0 - 2B heat NH Draw the final amine product for the...
Draw the products AND mechanism of the reaction and indicate the
stereochemistry where appropriate. name all products and reactants
CH2CH3 DMSO + Осна н сна
For each reaction: draw all products, label the Zaitsev and
Hofmann products, if there is more than one elimination product,
and circle the major product.
Hint: LDA is a strong bulky base
4. (16 pts) For each reaction: draw all products (use your Substitution/Elimination Review PowerPoint and your book!) label the Zaitsev and Hofmann products, if there is more than one elimination product. circle the major product. Hint: LDA is a strong bulky base E1OH OTs CI LDA NaOH Br...
Draw the structures of the organic products in each reaction of the
following two-step synthesis. (Hint:
The nucleophilic amine attacks the electrophilic carbonyl carbon,
and the resulting intermediate undergoes a proton shift and
dehydration. Recall what is eliminated in a dehydration process.
The second step is a reduction reaction; the reducing agent is
NaBH3CN (or H2, metal catalyst). The aromatic ring is unaffected by
these reagents. Look at the product of the first reaction and
consider what can be easily...
Draw the structures of the organic products in each reaction of the
following two-step synthesis. (Hint:
The nucleophilic amine attacks the electrophilic carbonyl carbon,
and the resulting intermediate undergoes a proton shift and
dehydration. Recall what is eliminated in a dehydration process.
The second step is a reduction reaction; the reducing agent is
NaBH3CN (or H2, metal catalyst). The aromatic ring is unaffected by
these reagents. Look at the product of the first reaction and
consider what can be easily...
1-
Draw all of the expexted products from the reaction and
explain.
Draw the products of the reaction.
(2 equiv.) NH Select Draw / H2C--0-0- HC=CH CH + OH- - CH3 HC-CH cs H3C-CH2-C-N-CH3 + HCI heat
Draw an arrow-pushing mechanism for each step of the following
two-step reaction sequence and draw the resulting products. Don\'t
worry about the phenyl groups attached to phosphorus; just
abbreviate them with Ph.
Draw an arrow-pushing mechanism for each step of the following two-step reaction sequence and draw resulting products. Don't worry about the phenyl groups attached to phosphorus; just abbreviate them wi Ph. 1.CH,I Ph-P: -> phosphonium ylide 2.BuLi Ph Draw Hs, lone pairs, and curved arrows. Draw Hs, lone...
11. Draw the complete mechanism for the following reaction. Assume that this reaction takes place via El mechanism. (Hint: a series of carbocation rearrangements will occur) HH Weak Base EtOH н HO HO 13. Using acetylene as one of the starting materials and any other reagents required, outline a synthetic route (including all reagents, proper order of addition and the product for each step) to obtain the following compound (with the stereochemistry shown):
1a. Draw the product in the following lb. Draw the two diastereomeric substitution products reaction and clearly indicate the obtained in the reaction below. stereochemistry. Br CH2OH, CH.DH, Br reflux H. LL. DMSO CHBuOK. + t-BuOH + KCI t-BuOK 1 equiv 1c. Draw the reactive conformation (with 1d. The most favored and least favored compounds arrow pushing) and the product for the that could be obtained by treatment of 2,4- reaction below (show stereochemistry). dimethylpenta-1,3-diene with one equivalent of HBr....
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