s and Ultraviolet Spectroscopy - EOC [References] The 3D image below is that of an allylic carbocation intermediate formed by the protonation of a conjugated diene with HBr. Draw a structural formula for the diene.
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![[References]
nds and Ultraviolet Spectroscopy - EOC
The 3D image below is that of an allylic carbocation intermediate formed by the protonation of a conjugated diene with HBr. Draw a structural formula for the diene.
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• You do not have to consider stereochemistry.
• You do not have to explicitly draw H atoms.
• In cases where there is more than one answer, just draw one.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F10e165e8-cd59-40dd-8b60-0d00a2a7ade2%2Fa2b1a234-93a7-4255-bd6f-7758d44aaa9e%2F3l5g0zw_processed.jpeg&w=3840&q=75)
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- Organic chem 2 For the reaction: HCI 40° C a Draw the structure(s) of the major product(s) from addition of 1 equivalent of HX to the conjugated diene. • Only give structures deriving from the most stable carbocation. . You do not have to consider stereochemistry. ⚫ Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. อ २ [] ChemDoodle ་5) What is the type of the following reaction: CO,.Et hv Co,E E10,C [6T - 2m) Cyclonddition Cycloaddition [2T + 21] Cycloaddition [4 - 47) - [417- 2m) CycloadditionCompounds and Ulteriolet Spectroscopy - E Predict the product of the Diels-Alder reaction of this compound with cyclopentadiene. Draw your product in the window below. ● and Exit ● You do not have to consider stereochemistry. Potential bicyclic es are provided in the == starting points = dropdown menu should you require them. Visited == + 63 Previous 85 Next 7 now-owl.cengagenow.com ?
- 8. Hydroboration-oxidation leads to the syn addition of H and OH to a double bond. Before predicting products let's work on recognizing anti-addition vs syn addition. This is a stereochemistry consideration – how the atoms add with regard to space (R/S and E/Z). Which occurred? Br2 Br anti or syn addition of Br2? CH3 Br Which occurred? 1. ВНЗ -CH3 anti or syn addition of H20? 2. Н,Ог, Он он н Br Which occurred? CI, HBr Нас. CI, H3C- "СНз CH2CH3 anti or syn addition of HBr? CH3 CH2CH3 н Mark or Anti-Mark? Me Which occurred? CI, н CI Me HBr anti or syn addition of HBr? Me Et Me Et Mark or Anti-Mark?Predict the product of the Diels-Alder reaction of this compound with cyclopentadiene. Draw your product in the window below. O 0 • You do not have to consider stereochemistry. . Potential bicyclic templates are provided in the == starting points == dropdown menu should you require them. 99-85 // Q O. It's [ ] کر ? ChemDoodle (FFor the Diels-Alder reaction, the product's skeletal structure and configuration at the bridgehead carbons are given (and the given wedge bond and dash bond should not be changed). Complete the structure of the major product. Indicate the stereochemistry, by adding two wedge and two dash bonds, at only the fused-ring stereocenters. A Complete the product and clearly show stereochemistry. Select Draw Rings More H G = H C H 0 ° Erase Q2 Q
- Draw structural formulas for the diene and dienophile that combine in a Diels-Alder reaction to form the product shown. lo Diene + Dienophile CAM • Consider E/Z stereochemistry of alkenes. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate multiple products using the + sign from the drop-down menu. Ⓡ Mill ChemDoodleⓇ Y -CI Sn [F CN < 464.- Predict the product for each Diels-Alder reaction. Indicate stereochemistry where appropriate. स a) b) H3C, H3C + H3C CHO A ent 10 150 COOH + ·E· <- c) COOH BAS 5.- Retro Diels-Alder: show a combination of diene and dienophile that would result in each Diels-Alder adduct.H H ČH3 Br р. + CH;C=C: in acetone Reaction Type(s) Mechanism(s) Product(s). Stereochemistry (if applicable) q. p-chloronitrobenzene + sodium ethoxide Reaction Type(s) Mechanism(s) Product(s). Stereochemistry (if applicable)
- to doinw 4. -> A) Which of the following is NOT a suitable diene for a Diels-Alder reaction? ultiple alkylation B) HBr CHEM 242 Activity 2.1-Conjugated-Systems D) 5. In the addition of HBr to 1,3-butadiene, one product is called the kinetic product and the other is called the thermodynamic product. doccriptors that apply to the kinetic product.2.09 FM 740 Jul 15 CO Curved arrows are used to illustrate the flow of electrons. Follow the curved arrows and draw the missing reactants/intermediates in this SN1 mechanism. Include all lone pairs. Ignore byproducts.Ignore stereochemistry. S FO : 0 Problem 15 of 15 Br: dissociation NaBr Submit Select to Draw Carbocation Intermediate Version: 3.97.28 +4075 production Carbocation Rearrangement Select to Draw Carbocation IntermediateWhat product(s) would you expect from the following reaction? CH3 NBS, Br2 ? CCIL, hv • You do not have to consider stereochemistry. • If more than one structure fits the description, draw them all. • Draw one structure per sketcher. Add additional sketchers using the drop-down memu in the bottom right comer. • Separate structures with + signs from the drop-down memu.