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- Hello 9. Propose a mechanism for the following reaction. H₂CRO4, H₂SO4 OHWhat steps are needed to prepare phenylacetylene, C6H5C = CH, from each compound: (a) C6H5CH2CHBr2; (b) C6H5CHBrCH3; (c) C6H5CH2CH2OH?Is the reagent for all elimination reactions conc. H2SO4? or just the reactions ones with OH?
- Multi-step synthesis: Provide reagents needed for the following transformations. More than ne step is rquired for each reaction.M 6 write the principal product in a, c & e and the neccesary reactives for b, d & f in the following reactions :A. OsO4 and NMO B. Br2 and H20 C. Hg(OAc)2, H2O and NaBH4, NaOH D. RCO3H E. BH3-THF and H2O2, NaOH Which reagent will complete this reaction?
- Reaction of (CH3)3CCHO with (C6H5)3P=C(CH3)OCH3, followed by treatment with aqueous acid, affords R (C7H14O). R has a strong absorption in its IR spectrum at 1717 cm−1 and three singlets in its 1H NMR spectrum at 1.02 (9 H), 2.13 (3 H), and 2.33 (2 H) ppm. What is the structure of R? We will learn about this reaction in Chapter 18.Ee.5. What are the intermediates and final product of the purification of 4-methoxy benzaldehyde using acetone and methanol? Use ChemDraw to draw structures and mechanisms.6. Identify the best reagent(s) for this reaction. (see attached screenshot). a. H2SO4, HgSO4, H2O b. 1. Disiamylborane, 2. HO–, H2O2 c. K2Cr2O7, H+ d. NaOCl e. H2, Pd
- Cyclohexene plus 1) Hg(OAc)2, H2O; 2) NaBH4; yields __________. HO2CCH2CH2CH2CH2CO2H a cyclic diketone cyclohexyne cyclohexanol OHCCH2CH2CH2CH2CHOGive two syntheses for (CH3)2CH¬O¬CH2CH3, and explain which synthesis is betterWhat is the expected major product of reacting cyclohexane carbaldehyde with (CH3)2NH?