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Complete the synthetic sequence below by choosing the correct reagents for each reaction and drawing the...
3. Complete the synthetic sequence below by drawing the structures of the all the intermediates and...
3. Complete the synthetic sequence below by drawing the structures of the all the intermediates and final product with proper stereochemistry (solid and dash wedge, where necessary) in the boxes provided. 4 points Cl2 КОН Н.О 1) CH3LI 2) Н,О* 1. NaH 2. CH3Br 4. Provide the reagents necessary to complete the following transformation. 2 points CH CHs CH2CH enantiomer OH H
10. Complete the synthetic sequence below by drawing the structures of the reaction in the boxes...
10. Complete the synthetic sequence below by drawing the structures of the reaction in the boxes provided. (6 points) Brz NAOH HO NAOCH: CH OH C2H1402 PCC CH,C1,
Bonus: (8 pts) Complete the synthetic sequence by drawing the structures of the reaction in the...
Bonus: (8 pts) Complete the synthetic sequence by drawing the structures of the reaction in the boxes provided. Bra NaH HO NaOCH CH3OH PCC CH,40 CHCl
Bonus: (8 pts) Complete the synthetic sequence by drawing the structures of the reaction in the...
Bonus: (8 pts) Complete the synthetic sequence by drawing the structures of the reaction in the boxes provided. Bry NaH HO NaOCH, CH,OH PCC C&H, O₂ CHCl3
.Provide a reasonable synthetic reaction sequence for reagents and expected products for each major reaction step...
.Provide a reasonable synthetic reaction sequence for reagents and expected products for each major reaction step + enantiomer
1) Give the products of the synthetic sequence below. a) b) 2) What kind of selectivity...
1) Give the products of the synthetic sequence below.
a)
b)
2) What kind of selectivity is effective in the reaction below,
give the mechanism for each step. Excess of BuLi will deprotonate
the two hydrogens (terminal alkyne and alcohol)?
CHO 2. dilydropyran. H
1. (12 pts) Fill in the boxes over each arrow with the letter that corresponds to the reagents needed to perform each step of the multistep sequence shown below. Reagents may be used more than once,...
1. (12 pts) Fill in the boxes over each arrow with the letter that corresponds to the reagents needed to perform each step of the multistep sequence shown below. Reagents may be used more than once, or not all. Pay close attention to the numbered carbons in the starting material, and be sure that your answer accounts for the position of these carbons in the final product. 1 3 3 3 2 2 MCPBA CF3SO3H A) HOCH3, DCC, DMAP E)...
Fill in the boxes over each arrow with the letter that corresponds to the reagents needed to perform each step of the multistep synthesis show below. Reagents may be used more than once, or not at all...
Fill in the boxes over each arrow with the letter that
corresponds to the reagents needed to perform each step of the
multistep synthesis show below. Reagents may be used more than
once, or not at all. Pay close attention to the numbered carbons in
the starting material, and be sure that your answer accounts for
the position of these carbons in the final product.
pts) Fill in the boxes over each arrow with the letter that corresponds to the...
Complete the following reaction sequences by drawing the major products or the reagents necessary to make...
Complete the following reaction sequences by drawing the major
products or the reagents necessary to make them. Be sure to include
stereochemistry when appropriate.
1. (48 pts) Complete the following reaction sequences by drawing the major products or the reagents necessary to make them. Be sure to include stereochemistry when appropriate. HBr Benzene FeBr3 HO NaH DMF hv NaNH2 2 BnBr CH2Cl2 Benzene Br2 cat. H+ H2o Ph NaOH NBS H Br H20 hv
(b) Provide appropriate starting material or reagents to complete each reaction below. You must show clear...
(b) Provide appropriate starting material or reagents to complete each reaction below. You must show clear stereochemistry at all stereogenic carbons. ?? SCH3 N3 N3- Br
3. Complete the synthetic sequence below by drawing the structures of the all the intermediates and final product with proper stereochemistry (solid and dash wedge, where necessary) in the boxes provided. 4 points Cl2 КОН Н.О 1) CH3LI 2) Н,О* 1. NaH 2. CH3Br 4. Provide the reagents necessary to complete the following transformation. 2 points CH CHs CH2CH enantiomer OH H
10. Complete the synthetic sequence below by drawing the structures of the reaction in the boxes provided. (6 points) Brz NAOH HO NAOCH: CH OH C2H1402 PCC CH,C1,
Bonus: (8 pts) Complete the synthetic sequence by drawing the structures of the reaction in the boxes provided. Bra NaH HO NaOCH CH3OH PCC CH,40 CHCl
Bonus: (8 pts) Complete the synthetic sequence by drawing the structures of the reaction in the boxes provided. Bry NaH HO NaOCH, CH,OH PCC C&H, O₂ CHCl3
.Provide a reasonable synthetic reaction sequence for reagents and expected products for each major reaction step + enantiomer
1) Give the products of the synthetic sequence below.
a)
b)
2) What kind of selectivity is effective in the reaction below,
give the mechanism for each step. Excess of BuLi will deprotonate
the two hydrogens (terminal alkyne and alcohol)?
CHO 2. dilydropyran. H
1. (12 pts) Fill in the boxes over each arrow with the letter that corresponds to the reagents needed to perform each step of the multistep sequence shown below. Reagents may be used more than once, or not all. Pay close attention to the numbered carbons in the starting material, and be sure that your answer accounts for the position of these carbons in the final product. 1 3 3 3 2 2 MCPBA CF3SO3H A) HOCH3, DCC, DMAP E)...
Fill in the boxes over each arrow with the letter that
corresponds to the reagents needed to perform each step of the
multistep synthesis show below. Reagents may be used more than
once, or not at all. Pay close attention to the numbered carbons in
the starting material, and be sure that your answer accounts for
the position of these carbons in the final product.
pts) Fill in the boxes over each arrow with the letter that corresponds to the...
Complete the following reaction sequences by drawing the major
products or the reagents necessary to make them. Be sure to include
stereochemistry when appropriate.
1. (48 pts) Complete the following reaction sequences by drawing the major products or the reagents necessary to make them. Be sure to include stereochemistry when appropriate. HBr Benzene FeBr3 HO NaH DMF hv NaNH2 2 BnBr CH2Cl2 Benzene Br2 cat. H+ H2o Ph NaOH NBS H Br H20 hv
(b) Provide appropriate starting material or reagents to complete each reaction below. You must show clear stereochemistry at all stereogenic carbons. ?? SCH3 N3 N3- Br
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