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3. Redraw the following molecules in a way that shows that there is a plane of...
Draw curved arrows for each step of the following mechanisms. Note: you will have to explicitly redraw out the molecules...
Draw curved arrows for each step of the following mechanisms.
Note: you will have to explicitly redraw out the molecules yourself
to show bonds to hydrogens on heteroatoms that are breaking.
Remember to draw in all lone pairs that are being used as electron
sources for curved arrows – curved arrows must always come from
lone pairs or bonds!
Hot Ho® Н,0 но он2 с Н20 но оно нvvн - Ho* нум I Он - H,0 нМ но он ҷо...
If you can find a plane of symmetry in the flat hexagonal drawing of a substituted...
If you can find a plane of symmetry in the flat hexagonal drawing of a substituted cyclohexane ring, the molecule is achiral. If you cannot find a plane of symmetry, it is chiral. h. Using this simplification, determine whether the following substituted cyclo- hexane rings are chiral or achiral. Draw plane of symmetry for any achiral molecules. CH3 "Сн, CH₂ OH н, c cн, HO
3. Identify the relationship between each of the following pairs of molecules as constitutional isomers, enantiomers,...
3. Identify the relationship between each of the following pairs of molecules as constitutional isomers, enantiomers, diastereomers, or meso compounds. CH3 но - оноо но Х он но -н. H2NH H- H CH3 осон BiH HO н+он н-он ну он Br +н CH3 CH3 HOTH HO HỌ NH2 NH, HẠNH I но НЕН CH3 I H- H нон н +он но -н CH3 HO на
Question 21 Which of the molecules below is the product of the following reaction sequence? 1....
Question 21 Which of the molecules below is the product of the following reaction sequence? 1. excess CH3MgBr PhoCH, 2. Но но Ph НО оооо Ph Но Ph H НО / Hн
SHOW FULL MECHANISM AND REDRAW (In your own way) OF Dibenzalacetone by the Aldol Condensation reaction...
SHOW FULL MECHANISM AND REDRAW (In your own way) OF
Dibenzalacetone by the Aldol Condensation reaction BELOW
co.ken, + CH,CCH CH.CH NaOH -CH=CHCCH=CH- cu condcn=cr YW 40.01 Benzaldehyde MW 106.13, bp 178°C den. 1.04 Acetone (2-Propanone) MW 58.08. bp 56°C den 0.790 Dibenzalacetone (1,5-Diphenyl-1,4-pentadien-3-one) MW 234,30 н он но е да се оди о-~- CH.CCH. CH,CCH.C Сн,сен,с- ОН ОН -OH он н Hic C- 2 тро нс C-C=CH + H-O + OH Н ОН A B-hydroxyketone Benzalacetone (4-Phenyl-3-butene-2-one) mp 42°C
3. Assign R or S configuration to the chirality centers of the following molecules. ҫн, сн,...
3. Assign R or S configuration to the chirality centers of the following molecules. ҫн, сн, b) но н H Br COOH c) H CH COOH CH,CH н. сн,Cн он HO d) H Br H Br h) CH CH,о, g) HO Н СООН CH hway.com
can someone draw so i can check my answers (1 pt) For the following compound, draw...
can someone draw so i can check my answers
(1 pt) For the following compound, draw the structure that has the (S) configuration around each chiral atom. You may make the drawing line-angle, 3-D, or a mixture of both, but your structure must show all bonds and angles correctly. You need only show bonds to H where they are needed to show a configuration он L / N-C-C-CH2SH CH3 CO2H (1 pt) For the following two compounds, draw the internal...
4. Assign R or S configuration to each chiral center in each of the following molecules...
4. Assign R or S configuration to each chiral center in each of the following molecules (A-D). Which are enantiomers and which are diastereoisomer? Hint: redraw the molecules if it makes it easier to visualize or use a modeling kit. H H A В CH Br Hас, Br 'CHs Нo Hас H он Br Br D CHз Hас Н. "CHз но Он CH3
13. What is the point group for the following? (3 pts.) Sketch out the molecules. (3...
13. What is the point group for the following? (3 pts.) Sketch out the molecules. (3 pts.) (Total: 6pts.) (show at least 3 symmetry elements that lead you to the point group) a. What is the symmetry point group for cis-PtBr2Cl2-2? b. What is the symmetry point group for ClO4- ion? c. What is the symmetry point group for TeF5-?
Which of the following is a true statement? A. All achiral molecules are meso.
Which of the following is a true statement? A. All achiral molecules are meso. b. All chiral molecules possess a plane of symmetry. c. All molecules which posses a single asymmetric center of the S configuration are levorotatory . D. A mixture of achiral compounds will be optically inactive. E. All molecules which possess 2 or more chirality centers will be chiral.
Draw curved arrows for each step of the following mechanisms.
Note: you will have to explicitly redraw out the molecules yourself
to show bonds to hydrogens on heteroatoms that are breaking.
Remember to draw in all lone pairs that are being used as electron
sources for curved arrows – curved arrows must always come from
lone pairs or bonds!
Hot Ho® Н,0 но он2 с Н20 но оно нvvн - Ho* нум I Он - H,0 нМ но он ҷо...
If you can find a plane of symmetry in the flat hexagonal drawing of a substituted cyclohexane ring, the molecule is achiral. If you cannot find a plane of symmetry, it is chiral. h. Using this simplification, determine whether the following substituted cyclo- hexane rings are chiral or achiral. Draw plane of symmetry for any achiral molecules. CH3 "Сн, CH₂ OH н, c cн, HO
3. Identify the relationship between each of the following pairs of molecules as constitutional isomers, enantiomers, diastereomers, or meso compounds. CH3 но - оноо но Х он но -н. H2NH H- H CH3 осон BiH HO н+он н-он ну он Br +н CH3 CH3 HOTH HO HỌ NH2 NH, HẠNH I но НЕН CH3 I H- H нон н +он но -н CH3 HO на
Question 21 Which of the molecules below is the product of the following reaction sequence? 1. excess CH3MgBr PhoCH, 2. Но но Ph НО оооо Ph Но Ph H НО / Hн
SHOW FULL MECHANISM AND REDRAW (In your own way) OF
Dibenzalacetone by the Aldol Condensation reaction BELOW
co.ken, + CH,CCH CH.CH NaOH -CH=CHCCH=CH- cu condcn=cr YW 40.01 Benzaldehyde MW 106.13, bp 178°C den. 1.04 Acetone (2-Propanone) MW 58.08. bp 56°C den 0.790 Dibenzalacetone (1,5-Diphenyl-1,4-pentadien-3-one) MW 234,30 н он но е да се оди о-~- CH.CCH. CH,CCH.C Сн,сен,с- ОН ОН -OH он н Hic C- 2 тро нс C-C=CH + H-O + OH Н ОН A B-hydroxyketone Benzalacetone (4-Phenyl-3-butene-2-one) mp 42°C
3. Assign R or S configuration to the chirality centers of the following molecules. ҫн, сн, b) но н H Br COOH c) H CH COOH CH,CH н. сн,Cн он HO d) H Br H Br h) CH CH,о, g) HO Н СООН CH hway.com
can someone draw so i can check my answers
(1 pt) For the following compound, draw the structure that has the (S) configuration around each chiral atom. You may make the drawing line-angle, 3-D, or a mixture of both, but your structure must show all bonds and angles correctly. You need only show bonds to H where they are needed to show a configuration он L / N-C-C-CH2SH CH3 CO2H (1 pt) For the following two compounds, draw the internal...
4. Assign R or S configuration to each chiral center in each of the following molecules (A-D). Which are enantiomers and which are diastereoisomer? Hint: redraw the molecules if it makes it easier to visualize or use a modeling kit. H H A В CH Br Hас, Br 'CHs Нo Hас H он Br Br D CHз Hас Н. "CHз но Он CH3
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