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OH 1. Nat -:C=CR 2. H30+ Acetylide ions react with ketones to form alcohols, as shown...
OH 1-Butyne Acetaldehyde Alkyne anions react with the carbonyl groups of aldehydes and ketones to form...
OH 1-Butyne Acetaldehyde Alkyne anions react with the carbonyl groups of aldehydes and ketones to form alkyayl alcohols. The reaction mechanism between 1-butyne and acetaldehyde includes the following steps: 1. Sodium amide deprotonates the terminal alkyne 2. The alkyne anion acts as a nucleophile and adds to the aldehyde carbonyl: 3. Proton transfer from solvent forms the product alcohol. Diagram the mechanism on a separate sheet of paper, and then draw the structure of the product(s) of step 2. ....
28 351 references flashcards m mong (References Aldehydes and ketones react with thiols to yield thioacelals,...
28 351 references flashcards m mong (References Aldehydes and ketones react with thiols to yield thioacelals, just as they react with alcohols to yield acetals. Draw the structure of the fourth intermediate in this reaction. * 2 CH SH H* catalyst SCH SCH3 • You do not have to consider stereochemistry • Draw organic species only • Do not include counter-ions, e.g. Na .in your answer • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in...
Draw the structure of the aldehyde or ketone and the Grignard reagent that will react to...
Draw the structure of the aldehyde or ketone and the Grignard reagent that will react to form the following compound: CH3 Н3С. ГОН • You do not have to consider stereochemistry • In cases where there is more than one answer, just give one. • Draw the Grignard reagent as a covalent magnesium bromide. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right comer. • Separate multiple reactants using the + sign...
Question 5 Aldehydes react with CrO 3/H 30 O A. ketones. to form B. carboxylic acids. C. alcohols D. alkanes...
Question 5 Aldehydes react with CrO 3/H 30 O A. ketones. to form B. carboxylic acids. C. alcohols D. alkanes. Moving to another question will save this response A Moving to another question will save this response. Question 4 The Williamson ether synthesis requires that the alkyl halide must be either a OA methyl or primary alkyl halide. OB. secondary or tertiary alkyl halide. OC methyl or tertiary alkyl halide. O D. primary or a secondary alkyl halide. A Moving...
What is the IUPAC name of the following compound? HOCCHCOH OH Name each of the following...
What is the IUPAC name of the following compound? HOCCHCOH OH Name each of the following salts. CH3 CHINCH3 C1 H CH3COO- 2-methylpleperidnium bromide H H Draw a structural formula for the missing product in the following reaction. CH3 0 T CH3CHCHCOH + KHCO3 Н,0 ? + CO2 + H20 сна • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Include cationic counter-ions, e.g., Nat in your answer, but draw...
[References] In 1887, the Russian chemist Sergei Reformatsky at the University of Kiev discovered that treatment...
[References] In 1887, the Russian chemist Sergei Reformatsky at the University of Kiev discovered that treatment of an a-haloester with zinc metal in the presence of an aldehyde or ketone followed by hydrolysis in aqueous acid results in formation of a B-hydroxyester. Example: Zn O [ZnBr] 1. PhCHO BrCH2COEt benzene OH O 1. PACHO he H2C=COEt 2. H2O, HCI An a-bromoester PhCHCH2COET A B-hydroxyester (racemic) Show how a Reformatsky reaction can be used to synthesize the following compound from an...
The Claisen condensation can be used as one step in the synthesis of ketones, as illustrated...
The Claisen condensation can be used as one step in the synthesis of ketones, as illustrated by this reaction sequence. Work out this synthesis on a separate sheet of paper, and then draw die structure of compound b. You do not have to consider stereochemistry. Do not include counter-ions. e g.. Na^+, I^-, in your answer.
Chapter 7 [References) Question 1 1 pt ОН. Question 2 1 pt + CH3CH2C=CH CH3CHO CH3CH2C=C...
Chapter 7 [References) Question 1 1 pt ОН. Question 2 1 pt + CH3CH2C=CH CH3CHO CH3CH2C=C C-CH3 Н Question 3 1 pt 1-Butyne Acetaldehyde Question 4 1 pt Question 5 1 pt Question 6 1 pt Alkyne anions react with the carbonyl groups of aldehydes and ketones to form alkynyl alcohols. The reaction mechanism between 1-butyne and acetaldehyde includes the following steps: 1. Sodium amide deprotonates the terminal alkyne; 2. The alkyne anion acts as a nucleophile and adds to...
1. Brahy 2. KBuo 3. NBS 4. Hz. Pd/C 5. NaCN 6. H30*, heat 7. SOCI...
1. Brahy 2. KBuo 3. NBS 4. Hz. Pd/C 5. NaCN 6. H30*, heat 7. SOCI CH3 H3C 8. (an ou then H20 Work out the above synthesis on a separate sheet of paper, and then draw the organic product of reaction 5. You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Do not include lone pairs in your answer. They will not be considered in the grading. • Do not...
1. The most basic of the labelled atoms below is HO. -NH2 HO OH 2. The...
1. The most basic of the labelled atoms below is HO. -NH2 HO OH 2. The most basic of the labelled atoms below is H3Ca CH3 'N b NH2 CI Draw a structural formula for the major product of the acid-base reaction shown. + HCI (1 mole) 'N - Н. (1 mole) • You do not have to consider stereochemistry. • Do not include counter-ions, e.g., Nat, r, in your answer. In those cases in which there are two reactants,...
OH 1-Butyne Acetaldehyde Alkyne anions react with the carbonyl groups of aldehydes and ketones to form alkyayl alcohols. The reaction mechanism between 1-butyne and acetaldehyde includes the following steps: 1. Sodium amide deprotonates the terminal alkyne 2. The alkyne anion acts as a nucleophile and adds to the aldehyde carbonyl: 3. Proton transfer from solvent forms the product alcohol. Diagram the mechanism on a separate sheet of paper, and then draw the structure of the product(s) of step 2. ....
28 351 references flashcards m mong (References Aldehydes and ketones react with thiols to yield thioacelals, just as they react with alcohols to yield acetals. Draw the structure of the fourth intermediate in this reaction. * 2 CH SH H* catalyst SCH SCH3 • You do not have to consider stereochemistry • Draw organic species only • Do not include counter-ions, e.g. Na .in your answer • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in...
Draw the structure of the aldehyde or ketone and the Grignard reagent that will react to form the following compound: CH3 Н3С. ГОН • You do not have to consider stereochemistry • In cases where there is more than one answer, just give one. • Draw the Grignard reagent as a covalent magnesium bromide. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right comer. • Separate multiple reactants using the + sign...
Question 5 Aldehydes react with CrO 3/H 30 O A. ketones. to form B. carboxylic acids. C. alcohols D. alkanes. Moving to another question will save this response A Moving to another question will save this response. Question 4 The Williamson ether synthesis requires that the alkyl halide must be either a OA methyl or primary alkyl halide. OB. secondary or tertiary alkyl halide. OC methyl or tertiary alkyl halide. O D. primary or a secondary alkyl halide. A Moving...
What is the IUPAC name of the following compound? HOCCHCOH OH Name each of the following salts. CH3 CHINCH3 C1 H CH3COO- 2-methylpleperidnium bromide H H Draw a structural formula for the missing product in the following reaction. CH3 0 T CH3CHCHCOH + KHCO3 Н,0 ? + CO2 + H20 сна • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Include cationic counter-ions, e.g., Nat in your answer, but draw...
[References] In 1887, the Russian chemist Sergei Reformatsky at the University of Kiev discovered that treatment of an a-haloester with zinc metal in the presence of an aldehyde or ketone followed by hydrolysis in aqueous acid results in formation of a B-hydroxyester. Example: Zn O [ZnBr] 1. PhCHO BrCH2COEt benzene OH O 1. PACHO he H2C=COEt 2. H2O, HCI An a-bromoester PhCHCH2COET A B-hydroxyester (racemic) Show how a Reformatsky reaction can be used to synthesize the following compound from an...
The Claisen condensation can be used as one step in the synthesis of ketones, as illustrated by this reaction sequence. Work out this synthesis on a separate sheet of paper, and then draw die structure of compound b. You do not have to consider stereochemistry. Do not include counter-ions. e g.. Na^+, I^-, in your answer.
Chapter 7 [References) Question 1 1 pt ОН. Question 2 1 pt + CH3CH2C=CH CH3CHO CH3CH2C=C C-CH3 Н Question 3 1 pt 1-Butyne Acetaldehyde Question 4 1 pt Question 5 1 pt Question 6 1 pt Alkyne anions react with the carbonyl groups of aldehydes and ketones to form alkynyl alcohols. The reaction mechanism between 1-butyne and acetaldehyde includes the following steps: 1. Sodium amide deprotonates the terminal alkyne; 2. The alkyne anion acts as a nucleophile and adds to...
1. Brahy 2. KBuo 3. NBS 4. Hz. Pd/C 5. NaCN 6. H30*, heat 7. SOCI CH3 H3C 8. (an ou then H20 Work out the above synthesis on a separate sheet of paper, and then draw the organic product of reaction 5. You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Do not include lone pairs in your answer. They will not be considered in the grading. • Do not...
1. The most basic of the labelled atoms below is HO. -NH2 HO OH 2. The most basic of the labelled atoms below is H3Ca CH3 'N b NH2 CI Draw a structural formula for the major product of the acid-base reaction shown. + HCI (1 mole) 'N - Н. (1 mole) • You do not have to consider stereochemistry. • Do not include counter-ions, e.g., Nat, r, in your answer. In those cases in which there are two reactants,...
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