Rank the following groups in order of decreasing priority. a. OH b. SH c. NH, d. CH3 (Choose one) ▼ > (Choose one) ▼ > (Choose one) ▼ a b C d (Choose one)
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- Rank the following groups in order of decreasing priority. a.−COOH, −H, −NH2, −OH b.−H, −CH3, −Cl, −CH2Cl c. −CH2CH3, −CH3, −H, −CH(CH3)2 d.−CH=CH2, −CH3, −C≡CH, −HRank the following groups in order of decreasing priority. a. – COOH, – H, – NH2, – OH b. – H, – CH3, – Cl, – CH2CI c. -CH2CH3, -CH3, -H, -CH(CH3)2 d. – CH = CH2, – CH3, – C ≡ CH, – HAssign a priority order (from least to highest priority) to each of the folliowing sets of groups: I. -CH(CH3)2 II. -CH3 III. -H IV. -NH2 A. III, IV, II, I B. IV, I, III, II C. III, II, IV, I D. III, II, I, IV
- 70 ins210 V16225050 panx qalborgo 3) In a recently-published synthesis of yohimbine (used in folk medicine as an aphrodisiac), the Diels-Alder reaction was used to form a new ring during a key step. R OtBu Diels-Alder a. Draw a circle around the four atoms of the diene group in this molecule. b. Draw a square around the two atoms of the best dienophile group in this molecule. c. Draw the product of this reaction, ignoring stereochemistry.d. e. (Z) (H3C)2N. OCH3 CNThe sample that has no effect on the plane polarised light is a solution of (2S,3R)-diaminebutane (2S,3S)-diaminebutane (2R,3R)-diaminebutane An equimolar mixture of a & b a. b. C. d.
- Draw the products of the two step reaction sequence shown below. Ignore inorganic byproducts. If the reaction results in a mixture of ortho and para isomers, draw only the para-product. Cl2 (1 equiv) FeCl3 Select to Draw QThe purine heterocycle occurs commonly in the structure of DNA.a.How is each N atom hybridized? b.In what type of orbital does each lone pair on a N atom reside? c.How many π electrons does purine contain? d.Why is purine aromatic?m. LOCH 3 12 H₂O₂ H₂SO4 CN 5 &= ot HNO3 H₂SO4 NH₂ n. O. NBS H₂O2 A p. NBS ja = H₂O₂ Br A
- Which group in each pair is assigned the higher priority in R,S nomenclature? а. — CDз, — СH b. - CH(CH3)2, - CH2OH c. - CH,CI, - CH,CH;CH,Br d. - CH,NH2, - NHCH,What is the major organic product of the following Diels-Alder reaction? Me₂N. A. B. C. D. Me₂N Me₂N Me₂N OHC Me₂N CHO CHO CHO CHO 5 heatAssign priorities to the groups in each set. Q.)-CH2OH and -C(CH3)3