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- The key step in a reported laboratory synthesis of sativene, a hydrocarbon isolated from the mold Helminthosporium sativum, involves the following base treatment of a keto tosylate. What kind of reaction is occurring? How would you complete the synthesis?3) Show how you would synthesize the following Compounds, storting with benzene or toluene ond ASSume any necessory pro duct (ond seperoble from ortho) in ortho, pora reogents, poro is the mogor mixture c)o- chlorobenzoic ocid d) m- chloronitro benzeneGINE REASONABLE SYNTJE SËS OF THE INDICATED PeoDuCTS FROM THE GIVEN STARTING MATERIALS, Snow STERE OCHE M - ISTRY WHERE IT IS RELEVANT (*), AND SHOW ANY INTER - MEDIATES THAT COULD BE O THER REAGENTS You DEE M FIT, AS LONG A5 THHE-i MAKE CHEMICAL SENSE ARE STABLE ENOUGH TO EXIST, ISOLATED. You MAY usE ANí Ph
- 3. (a) The 3C-NMR spectrum of one of the three xylenes (dimethyl benzenes) show resonance at 8 = 10 1, 126-2, 130-0 and 138-8 ppm (proton deccupled). ident:fv the structure of the xylene and ass:gn %3D the &-values.The alcohol compond given belbw is used in perfume making- Demonstrale Ithe synthesis of this compd from bramine benzene and - butene using ecessery orgonic.and inongonic chemicals. BrAcid-catalyzed hydrolysis of a nitrile to give a carboxylic acid occurs by initial protonation of the nitrogen atom, followed by nucleophilic addition of water. Review the mechanism of base-catalyzed nitrile hydrolysis in Section 20-7 and then predict the products for each reaction below and write all of the steps involved in the acid-catalyzed reaction, using curved arrows to represent electron flow in each step.
- Give the IUPAC name for each metal salt of a carboxylate anion: (a) CgHsCO, Li"; (b) HCO, Na"; (c) (CH)2CHCO, K*; (d) (CH;CH2)2CHCH;CH(Br)CH2CHCO2 Na*.Identify the following compound from its IR and proton NMR spectra. C,H1,0: 'H NMR 8 3.31 (3H, s); 8 2.41 (1H, s); & 1.43 (6H, s) IR: 2110, 3300 cm- (sharp)give reactions and intima mechanism of following reactions-
- OH - NH, Br2/KOH →product; 1. (a-hydroxy amide) Product of this Hoffmann bromamide reaction is : OH (a) Ph – Ĉ-CH3 (Ъ) Ph — CHO (c) Ph- CH3 (d) Ph – CH2 -NH2 NO2(weopentane) it consists of aminterantion na?twith magnesium with ather the product dissolved with waten? (Grignand regunt}Q 15.20: Predict the major product of the following reaction. AICI CI II III IV IV D II %3D