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- Oximene and myrcene, two hydrocarbons isolated from alfalfa that have the molecular formula C10H16, both yield 2,6- dimethyloctane when treated with H2 and a Pd catalyst. Ozonolysis of oximene forms (CH3)2C = O, CH2 = O, CH2(CHO)2, and CH3COCHO. Ozonolysis of myrcene yields (CH3)2C = O, CH2 = O, (two equiv), and HCOCH2CH2COCHO. Identify the structures of oximene and myrcene.The crocodile, which can remain under water without breathing for up to 1 h, drowns its air-breathing prey and then dines at its leisure. An adaptation that aids the crocodile in doing so it that it can utilize virtually 100% of the O2in its blood whereas humans, for example, can extract only ~65% of the O2in their blood. Crocodile Hb does not bind BPG. However, crocodile deoxyHb preferentially binds HCO3ꟷ. How does this help crocodile obtain its dinner? Explain your answer.Benzene is one of the compounds used as octane enhancers in unleaded gasoline. It is manufactured by thecatalytic conversion of acetylene to benzene: 3C2 H2(g) ⇌ C6 H6(g). Which value of Kc would make this reactionmost useful commercially? Kc ≈ 0.01, Kc ≈ 1, or Kc ≈ 10. Explain your answer
- The above reaction involves heterolytic bond breakage of HBr a) Encircle the nucleophile (s) and electrophile (s) and explain why. b) Give the mechanism of the reaction by: ) Drawing the appropriate arrows to track the flow of electrons in Showing the species formed after bond breakage and bond formation with appropriate charges. c) Predict the final products.Based on the more stable conformation (conformation A), need help providing two mechanisms for the E2 elimination of the protonated version of cis-1 using a general base (B:) to give alkenes 2 and 3. Clearly show which hydrogens meet the stereochemical requirements for E2-elimination Using Zaitsev’s rule, indicate which is favoured. Pictured is also a reaction mechanism to show what the alkenes 2 and 3 are. Thank you :)What organic product is formed when 1‑methylcyclopentene is treated with NMMO in the presence of H2O and a catalytic amound of OsO4? Clearly show stereochemistry by drawing a wedge and dashed bond for each chiral carbon. Only draw one stereoisomer if more than one can be formed.
- Draw all of the substitution and elimination products formed from thegiven alkyl halide with each reagent: (a) CH3OH; (b) KOH. Indicate thestereochemistry around the stereogenic centers present in the products,as well as the mechanism by which each product is formed.2-bromopentane, when treated with alcoholic KOH yields a mixture of three alkenes A, B and C. Identify A, B and C. Which is predominant?Draw the organic products formed when cyclopentene is treated with each reagent. With some reagents, no reactionoccurs.a. H2 + Pd-Cb. H2 + Lindlar catalystc. Na, NH3d. CH3CO3He. [1] CH3CO3H; [2] H2O, HO–f. [1] OsO4 + NMO; [2] NaHSO3, H2Og. KMnO4, H2O, HO–h. [1] LiAlH4; [2] H2Oi. [1] O3; [2] CH3SCH3j. (CH3)3COOH, Ti[OCH(CH3)2]4, (–)-DETk. mCPBAl. Product in (k); then [1] LiAlH4; [2] H2O
- An optically active alkyne A (C10H14) can be catalytically hydrogenated to butylcyclohexane. Treatment of A with EtMgBr liberates no gas. Catalytic hydrogenation of A over Pd/C in the presence of quinoline poison and treatment of the product with O3 and then H2O2 gives an optically active tricarboxylic acid C8H12O6 (A tricarboxylic acids is a compound with three - CO2H groups.). Give the structure of A, and account for all observations.Reaction of 2-methyl-2-pentene with reagent is regioselective. Draw a structural formula for the product of reaction and account for the observed regioselectivity. Q.) Br2 in H2Oγ-Butyrolactone (C4H6O2, GBL) is a biologically inactive compound that is converted to the biologically active recreational drug GHB (Section 19.5) by a lactonase enzyme in the body. Since γ-butyrolactone is more fat soluble than GHB, it is more readily absorbed by tissues and thus produces a faster onset of physiological symptoms. γ-Butyrolactone shows an absorption in its IR spectrum at 1770 cm−1 and the following 1H NMR spectral data: 2.28 (multiplet, 2 H), 2.48 (triplet, 2 H), and 4.35 (triplet, 2 H) ppm. What is the structure of γ-butyrolactone?