25. Draw the expected product from gzonolysis of alkynes Oh, -78C H30 Abreviations: Pd BSO CH,OH...
1. Give the structure(s) of the major product(s) expected from the following reactions. Assume standard aqueous workup conditions are used for product isolation. (40 points, 4 points for cach). H a) Sia,BH (1.0 eq) THF, 0 °C b) CH-CO-D, 60 °C OTS KOI-Bu -BuOH "Me 1a, LDA (1.0 eq). THF, -78 °C 16. TMSCI 2a, Toluene, heat 2b, H* acequous workup 1a, LDA, THF 2, LDA (1.0 q). THE 10. CH3COCI 2, CH,CH_CH_Br EtOC 1) HCI, MeOHXH, heat 2). Hz,...
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25. Draw the product of the following reaction: q - CH₂ CN CH Br 1. NaCN, acetone 2. H307, heat CH2COOH H30 > o neat 26. Draw the product of the following reaction: C:O3, H30* OH "OH 27. Draw the product of the following reaction: 1. LiA1H, THF 2.H30* -NH2 CN 28. Draw the product of the following reaction: 0 II SOCI), benzene CH3CH2CH, CH-CEN CH3CH CH CHCNH CH2CH3 1 heat CH₂ CH₂
Practice Worksheer 8: Alkynes 4. Draw the major product for each transformation. Draw the major regioisomer and sterosome where appropriate. CI, CHCI HgSO4, H,SO a. B He, diglyme b, HD, NaOH H2 (excess), Pd/C CHE Hz (excess), Pd/CaCO3 quinoline, Pb(OAC) CH₃ Na”, NH3(1), -196 °C Page 3 of 4
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25. Draw the product of the following reaction: CH Bt 1. NaN, acetone 2.H30*, heat 26. Draw the product of the following reaction: C:03, H30* OH 27. Draw the product of the following reaction: CN 1. LiA1H, THF 2.H30* 28. Draw the product of the following reaction: CH,CHÚC CH3CH2CH2CHÖNH2 CH2CH3 SOCI, benzene heat 29. Draw the product of the following reaction: O=0 оо он + CH3COCCH3 NaOH H20 OH...
10.44 ( For the alkynes shows below, show the product(s) expected to form when treated under these conditions i) H2, Pd/C; ii) H2, Pd/C, Pb(OAc)2, CaCO3(Lindlar's Catalyst) iii) Na°, NH3(liquid), -33°C; iv) H Br (1 equiv); v) H-Cl (2 equiv); vi). H2SO4, HgSO4, H20; vii) 1. BH3, 2. H2O2, NaOH; viii) Cl2 (1 equiv); vii) Br2 (2 equiv)-*If you expect two products, show both (a) (b) (c) (d) (f) (e) I,
[11] Draw the product of the synthetic sequence below: HBr NaBH, CH,OH 1) Mg. Et, 2) HC-0 3) H30 PCC CHÚC
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25. Draw the product of the following reaction: CH,BE 1. N&CN, acetone 2. H30, heat 26. Draw the product of the following reaction: CHOy, H,0* OH 27. Draw the product of the following reaction: CN 1. LiAH, THF 2.H309 28. Draw the product of the following reaction: CH3CH2CH2CHCNH, CH.CH SOCI), benzene heat 29. Draw the product of the following reaction: OO OH + CH3COCCH) NaOH H₂O ОН Salicylic acid lo-hydroxybenzoic acid) Acetic anhydride 30. Draw the product...
Homework 9: Alpha Be sure to answer all parts. Report Synthesize (2)-hept-5-en-2-one from ethyl acetoacetate (CH,COCH Co,Et) and the given starting material. Sol Br Guided (z)-hept-5-en-2-one Draw four organic reaction intermediates, and seleet the single best set of reaction steps. reagents for each of CHCoCH2CO2Et [1] NaOEt, [2] HC-CCH2Br [1 HCL, [21 HC CCH2Br O I1 Mg, 12] HC CCH2Br draw structure 0 H2 (2 equiv), Pd-C H2 (2 equiv), Pd c mCPBA H,SO4 11,0+,a HOCH CH,OH, TSOH LIAIH KMno,...
When the 2,7-dimethyl-4-octyne is treated with 2 moles (excess) HBr, the product(s) of the reaction is: CH-CH-CH-CH-CH-CH-CH-CH, B. CH3-CH-CH CH -CH2-CH-CH-CH; C CH-CH-CH2-C-CH3-CH-CH-CH н D. A mixture of a and b would be produced. A mixture of a, b, and e would be produced OB 0 0 0 Which of the following is the correct structure for 4-sec-butyl-1-heptyne? D. none of these OD What is the major organic product obtained from the following reaction? OH M CH,CH-CH-CH2=CH- 3 OH •...
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Draw the major product expected from each of the following reactions: Lindlar's catalyst 2 Edit