3. Give the major product of the following reactions with the appropriate stereochemistry and regiochemistry 2....
Give the organic products of the reactions below, including the correct regiochemistry and stereochemistry when appropriate. Write your answers on this sheet. CH3 HCC=CH-CH2 + HI CH,OOCH -C=CH-CH2CH3 + HBr – Pd + D CH3 H20 H2O + HC-C=CH-CH2CH3 1) (BH3)2, THF 2) H,02, OH CH CH,CO2H H30* CH3 CH3 CHCI,/KOH H3C
23. Select the product for the reaction shown: NaOH Ph H2O, THE 5°C ? OH OH Ph Ph A. Ph B. C. Ph D. 3 27. Select the needed sequence of reactions to lead from the starting material to the desired product: OH OH A. PCC / Nah, MeOH / LDA, acetaldehyde / dil. HCI ? B. H2CrO4 / LDA, Mel / LDA, propanal i dil. HCI C. MCPBA / Nah, MeBr / Nah, propyl-1 / KOH D. NBS /...
1. Give the major product of the following reactions, write NR. if no reaction happens. Indicate the stereochemistry if necessary CHCI KOC(CH3). (CH),COH 1. conc. HBr, heat 2. KOBU, HOBU 1. NaOM, MOH CI 2. BICN 1. 1 eq. BH3. THE 2. H2O2, NaOH, H2O 3. Hg(OAC), MeOH 4. NaBH4, NaOH, H2O 1. conc. HCI 2. LDA, THF 3. O. CH,OH 4.(CH), 1. Hg(OAC), THE 2. NaBH, NaOH, H2O > OH (Hint: product has a bicyclic ring)
Give the organic products of the reactions below, including the correct regiochemistry and stereochemistry when appropriate. Write your answers on this sheet. сна HC-C=CH-CH, + HI CH2OOCH3 = CH-CH2CH3 + HBr - Pd + D2 CH H0+ H2O + H2CC =CH-CH2CH3 1) (BH3)2, THE 2) H202, OH CH₃ CH2CO3H H20+ CHE =c.jICH CHCI / KOH H3C + Cl₂
1. Give the structure(s) of the major product(s) expected from the following reactions. Assume standard aqueous workup conditions are used for product isolation. (40 points, 4 points for cach). H a) Sia,BH (1.0 eq) THF, 0 °C b) CH-CO-D, 60 °C OTS KOI-Bu -BuOH "Me 1a, LDA (1.0 eq). THF, -78 °C 16. TMSCI 2a, Toluene, heat 2b, H* acequous workup 1a, LDA, THF 2, LDA (1.0 q). THE 10. CH3COCI 2, CH,CH_CH_Br EtOC 1) HCI, MeOHXH, heat 2). Hz,...
Give the organic products, with the CORRECT REGIOCHEMISTRY AND STEREOCHEMISTRY, when appropriate. !!! CH3 -C CH-CH + HI Нас CH2OOCH C CH-CH2CH3 +HBr Pd + D2 CH3 Но C CH- CH2CH3 Н-о + Нас 1) (BH3)2, THF 2) H-0,. ОН" Cн, Н.о" CH3CO;H CH3 CHCI/ KOH cCH Hас H +Cl2
26. Select the product for the transformation indicated: CO Me COMO Meo OME NaoMe MOH CO, Me 7 dil HCI ? OH CO, Me A. C D B. 27. Select the needed sequence of reactions to load from the starting material to the desired product: OH 0 OH A. PCC / Nah, MeOH / LDA, acetaldehyde / dil. HCI ? B. H.CrO4/LDA, Mel / LDA. propanal i dil. HCI C. MCPBA / Nah, MeBr / Nah, propyl-1/KOH D. NBS /...
9 just identify the type of reactiom a) 9) Complete the following: (Stereochemistry and regiochemistry may be important). (20 points) HgSO4/H2SO4 H20 OsO4. Me,NO f) HO/THF type type Br too ko Na/NH3 (0) b) t-BuOH type type a) NaOH(aq) c) h) heat type type OH a) NaNO3, H3O* b) H,O, 100 °C OCH HCI, ether d) i) OH type type KOBU, CHCI tBuOH/THF a) O3, CH2Cl2 -78 °C b) Mezs j) type type
Complete the following reactions with appropriate stereochemistry (18 pts). Circle the appropriate Stereochemistry and Regiochemistry where it is required Br NaOCHA, CH OH O3, H20, Na,SO3 C. NaOET, HOE 1. BH3 , THE CI Heat 2. H2O2, NaOH d.
Draw the major product(s) of the following reactions showing regiochemistry and stereochemistry where appropriate.