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- 7. Reaction Scheme. NH₂ NH2 or two differnet methods (no same steps/reagents) C5H12N2 1. xs Mel, xs K2CO3 2. Ag2O, H₂O 3. heat Br2, xs NaOH, xs H₂O OHC 1.03 2. DMS CHO6. What product(s) would you expect to obtain from the following reactions? (a) (c) CH3 NO₂ H₂/Pd KMnO4 H₂O ? ? (b) Br. Br (d) CI. 1. HNO3, H₂SO4 2. Fe, H3O+ OCH 3 ? CH3CH₂CH₂CI AICI3 ?102. The major products A and B in the following reaction sequence are CHO Br Br (i) PPh3 (ii) NaH (A) NaH OH (B)
- Provide the products and detailed arrow pushing mechanisms for the following reactions: OSIME3 EtN CO.Me 1. base, dilute solution (10mM) 2. NaOH/MEOH-H,0 Acid, heat CO.Me8. Predict the product for the following reaction. NH₂ 1. excess CH₂l whom | A. I B. II 2. Ag₂O, H₂O heat || C. III D. IV N(CH3)2 E. V IV OH NHCH316). What is the major product of the following reaction? N ZH ZH (A) Br Br 1 eqiv. Br₂ N (B) Br ? (C) XO Br 'N Br (D) Br, (E) Br
- 6. Propose the key transition structure that accounts for the stereoselectivity observed in the following reaction. Ph SPh OCH 3 LiB (Et) 3H Ph OH OCH 3 SPh 92:8 favoring syn7. Reaction Scheme. о А N 1. xs Mel, xs K2CO3 2. Ag2O, H₂O 3. heat NH2 NH2 or two differnet methods (no same steps/reagents) C5H12N2 Br2, xs NaOH, xs H₂O OHC 1.03 2. DMS CHOWhat is the expected major product for the following reaction? O IV I OCH 3 |||||... + enantiomer || 1. Hg(OAc)2, CH3OH 2. NaBH4 НО. OH ... H3CO. + enantiomer ||| IV H3CO V
- owing reactions proceeds via an SN1 or SN2 of the reaction: (b) S2 pro85 39 Br tort atubong auonsV HMPAnoitutitaduaWhich of the following reactions would lead to the shown product in highest yield? tau OLi LIOME (A) Br (B) .Br tou OLi Br Br LIOME ... (D) А D B.provide the major products, starting materials with the correct chemoselectivity, regioselectivity, and stereoselectivity. -NO₂ 1) 2) Ĵ Ć 1) Br₂ /FeBr3 2) Mg / Et₂O 3) 4) H*/ H₂O 1) NaH THF 2) & 3) dil. H3O+