C is correct because in basic medium proton were abstracted and alanine exists in anion form.
CH3 O 3. Which of these structures is the major form of alanine at pH =...
What are the major Friedel-Crafts acylation products (CH3COCVAICI3) of these two compounds? and Ph Ph CH3 CH; a) 8 and b) and CH3 CH Ph Ph c) and d) and o CHE & o CH O CH3 CH O-Ph and CH
g. Ph-C(O)-NH2 4 NaOH Br2 h. (HC)2CH-C(CHa)2 -> HO N(CH3)3 i. Ph-N2, CI- + CuCN --> H30* (cat) Na/ETOH j. cyclohexanone+ H2NOH Pd(OAc)2 (1 mole%) k. Ph-I + 4-O2N-C&H4-HC=CH2 Cul/Pd(PPH3)4) L. HO-CH2-CH2-CC-H +1-CH=CH-(CH2)4-CH3
give major product
O 11. Ç(CH3)3 1) CH3CCI, AICI: 2) (CH3)2NH H2, Raney-Ni, heat 12. ÇO Me 1) PhMgBr (2 equiv.) 2) H20, H30 13. CNH2 1) Brz, NaOH, H20 2) CH,CCI, pyridine 14. HNO3 CHO но +н н+он н+он нон CH OH оо 15. H2NCO, 1) (CH3),COCOCOC(CH3)3 Ph -N: C: NH- PhNHNH | 16. CHO HOTH HOH (3 equiv.) H-OH HO+H CH2OH ai
Question 3a) CH3 Br н,С. CH3 H Ph3P CH3 H n-Buli What is the name of the reaction above? 1 point Your answer Which of the following compounds is an intermediate in the reaction above? 1 point CH Ph Ph CH, OⓇ CH3 HCH₂ HC y PhPa HEC Ph-P-0 Ph CH₂ Ph-P-0 Phạ% CHỊ Ph Phen Phon A B с D Ο Α OB
g) Which structure is Z-2-bromo-3-methyl-2-pentene? CH3 H3C CH2CH3 H C=C CH-CH,CH, CH3 CH3 Вісн. C=C CH3 Br н Br | BÁ CHẠCH, C=C CH, CHỊCH, 10) Which compounds contain stereocenters? D) 1-chloropentane II) 2-chloropentane III) 3-chloropentane IV) 1,2-dichloropentane 11) Aspartame is an artificial, non-saccharide sweetener. It is made from two amino acids phenylalanine (methyl ester) and aspartic acid. Both aminoacids have one stercocenter. Both stereocenters have S-stereoconfiguration. Which of the two structures is aspartame? H2N-C-C-N-C-0-0 CH2 CH2 c=0 HO HO...
What is the major product of the following reaction? CH3 CH2-C-CH3 + KOH Br ? CH3 CH3 -CH2-C-CH3 -CH-¢- I. IV. OH CH3 -CH2-C=CH2 OH H CH -CH=C-CH3 II. V. CH3 -CH2-CH-CH2OH -CH II. OT OI O III O TV OV
find the major product
оо HN .CO2 1) (CH3)3COCOCOC(CH3)3 Ph 2) -N=C: NH- + CHO HO FH PhNHNH2 H+OH (3 equiv.) H-OH HO+H CH2OH
D) CICHOCICH CH CH3 E) CICH2CH2CH(CH3)2 3) Which of the following is a vicinal dihalide? A) isobutyl chloride (B) -1,2-dibromocyclopentane C) 1,3-dibromoheptane D) 3,3-dichloropentane E) trans-1,4-diiodocyclohexane BR 4) Provide the structure of the major organic product in the reaction below CH,CH,CH 5) Draw the structures of the two major products formed in the following reaction. TH CH, Br NBSD CCM Br Page 1 of 6
12) use the amino acid alanine for the following questions, Sirolis hore Circle the pka T. a) most acidic. proston (H₂N I Pka=2 6) determine the equilibrium constant H. for acid base reaction involving the Carboxylic acido vosopistost Men to lopno stod bado 750W NOWNW Cal @ PH=7.4, does the amino group " favor the protonated or deprotonats form. explain. het illos natin. 3 0 W
18) What is the major organie product of the following reaction? on los, abe O= -CHCOCH 0=C CHỊ CHCOCHE O=C-CH3 CHCOCH HO CH–CH3 C CH2CH3 0 OHCHCOCH MI. So=C-CH₃ A) B) II C) III D) IV E) V 19) What is the major organic product of the following addition? OH CH, CHỊCH • H-CH- (excess) I CH,CH,CHCH IV. CH,CHCH CH OH OH IL OHO CHC-CH CH OH M. A) I HOCH.CH.CH.CH B) II C) III D) IV E) V