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- Write balanced chemical equations for the following reactions with proper chemical formulae and IUPAC names of the reactant and products and the conditions of the reaction for; i. ii. iii. iv. V. Hydrolysis of methyl propionate. Aldol condensation of ethanal. Oxidation of methyl ethyl ketone by copper ions. Synthesis of Ethylene glycol from ethylene. Dehydration of butanol.Which of the following could be used as a solvent in the deprotonation reaction of terminal alkynes? A CH;OH (I) B CH;COOH (I) NH3 (1) D) H20 ()Please give the principal organic product of each reaction (unless being asked otherwise) please specify stereochemistry if it applies.
- The following two isomeric ketones were among the 68 compounds isolated from the steam-distilled volatile oil of fresh and air-dried marijuana buds (J. Nat. Prod. 1996, 59, 49–51). Propose a separate synthesis for each of these two compounds using only disubstituted alkenes containing four carbon atoms as starting materials.10. Provide unambiguous structural formulas for reaction products A, B, and C. Br 1) I (2 eq.) 2) B(OMe)3 Pd(PPhala Grubbs cat. B(b) acid, HNO3 to produce compound L. The reaction of compound L with bromine, Br2 in the presence of iron tribromide, FeBr3 produced compound M. Benzene also undergoes Fridel-crafts alkylation reaction with chloroethane, CH;CH2CI using catalyst N to produce compound P. Benzene, CeHe undergoes substitution reaction with concentrated nitric Benzena, CsHe menjalani tindak balas penukargantian dengan asid nitrik, HNO, pekat untuk menghasilkan sebatian L. Tindak balas sebatian L dengan bromin, Brz dengan kehadiran ferum tribromida, FeBrs menghasilkan sebatian M. Benzena juga menjalani tindak balas alkilasi Fridel-crafts dengan kloroetana, CH3CH2CI dengan menggunakan pemangkin N untuk menghasilkan sebatian P. (i) Draw the structural formula of L, M and P. Lukiskan formula struktur bagi sebatian L, M dan P. (ii) State catalyst N. Nyatakan pemangkin N. (iii) Show the formation of electrophile that will be reacted with benzene for the formation of compound P.
- 23. (30) Predict the major organic product of each reaction or provide the reagents needed to complete each transformation. AICI3 HO, CI (a) FeCla , Cl2 (b) Br2 (c) CH3 FeBr3 1. Cl2 , FeCl3 (d) 2. HNO3, H2SO4 1. HNO3, H2SO4 (e) 2. Br2, FeBr3 1. Cl2 , FeCl3 (f) 1. 2. Mg , ether 2. H20, H* (g) Hg, Zn, HCI -C-CH CI AICI3 H2 Pd 1000 psi (h-i) CI CI 1 equivalent (1) O,N. CH3S K* SO3 (k-I) C-CH3 AICI3 H2SO4 2. excess NH2NH2 КОн Na CH3CH2 CH2CH3 (m-n) KMNO4 NH3 excess CH2CH3 Page 6 of 64. (a) Answer the following questions based on the reaction scheme below. Jawab soalan berikut berdasarkan rajah tindak balas di bawah. E H,SO,. HNO, A D H Cl2 H,O* HO, J hv (i) State reagents G and J. Nyatakan reagen G dan J. (ii) Draw the structural formula for compounds D, E and H. ,0°H G AICI3(4B) Carbocation Stability: Rank the following carbocations in order of stability and briefly justify your answer. B D. E Explanation:
- (THF); (Chloromethyl)oxirane (epichlorohydrin); furoic acid is.. Which of the following heterocyclic compounds (furfural, tetrahydrofuran ************* 1- Used as a good common solvent: 2- Is prepared industrially from plant residues 3- Used as a starting materials for synthesis of epoxy resin 4- Is used for synthesis of medications and perfumes CHO furfural tetrahydrofuran 2-(chloromethyl)oxirane furoic acidDraw the structure of the expected major organic product for each of the following five questions. Specify stereochemistry clearly, if relevant. А. Br2 aq. HBr H;CCO,H В. H;C° a.) LDA b.) PhSeBr c.) H,O2 8.50 x 11.00 in4 4G I. 11:58 163 The product of the following reaction is . . (CH3),CuLi CH3 IV 140 DO