3. Give the major product(s) or provide the correct missing substrate or reagent for each of...
Provide the major products for the following problems or provide the correct missing substrate or reagent for each of the following chemical reactions. Note any stereochemistry or regiochemistry where appropriate and name. 1) CH3CH2Br 2) CH3CH2CH2CH2Li a) Ph3P: H+ HN(CH3)2 + H30* H2O c)
5. Complete the following reactions by filling in the missing Reactants, Reagents, or MAJOR Product. If TWO products are equally formed show BOTH. 1. DIBAL 2. H307 Colon - ohne кон ОН OH NH2 LIAIH4 1. LDA / Dry THE - to 1.LA/D THE 1.1.2 Equiv. LDA/THF 2. Br Br2 acetic acid Pyridine Heat Nat Et EtOH single product
4. Give the major product for each of the following reactions. Pay attention to the regiochemistry and stereochemistry where appropriate. (6 pts) НС CH2C2 CH3 Н- но b) Н- Br (You might want to use a model to figure this one out.) CH-CHз 1) Hg(CH3CO2)2, H20 c 2) NaBH4 Br2 CH30H 1) ВНз, THF 2) H2О2, НО- CH-CHз CH3 СHCI3, HO- f) Н Н Ph
Provide the major product(s) for the following Provide the major product(s) for the following reactions. Be sure to note stereochemistry and racemic mixtures. NaOH, H29 2 100 °Ç ? NaOH, H2O H 0°C H W H CCl3 OC (provide product of both steps) H a. Hn b. CHEM 370 W13 Homework Page 1 of 2 giorel Noot Hoi solu NOEL IN DER NaOH, H2O 100 °C Hv NaOET, H OEt EtOH 8. Eto- i. LDA, -78°C NaO Me MeOH Оме...
Provide the missing reagent or major organic product from the following reaction sequence. Take note of the direction of the arrows. Write only the corresponding letters or numbers in the space provided. If the reagent or product is not available then write NONE. Assume aqueous workup is applied at the end of the reaction except for deprotonation reactions. Br 2 PhMgBr х Dess Martin (CH3)2Culi Y REAGENT BANK A. PBrz, Br2 D. NaOEt, EtOH G. CH3OH B. HBr, Br2 E....
1) Reactions. Provide the major product for each reaction sequence, account for stereochemistry 1) PCC, CHCI 2) Bry, acetic acid 3) KOBU, A 4) NaOEI, ETOH, P CO- 5) H30 workup 6) THF, H.COPPA HC CH2 O e .cat. Pd(OAc) cat. PPh. DMF, EIN 2) LDA, THF. -78 °C 3) Chichen H3O* workup 4) NaBH, EtOH, then H3O+ workup 5) cat. TSOH, benzaldehyde (c) L AL SUO TESTE TO 1) cat. H2SO4. A лон 2) O3, CH, Cl, then (CH),...
Part I – Reactions Draw the expected major product(s) or required reagent(s) for each of the following reactions. Part 1 - Reactions (20 marks) Draw the expected major product(s) or required reagent(s) for each of the following reactions. Question Answer 1. MgBr 1. CH3CN 2. H30* 2. OH HT ОН 3. Br PPh3 1. BULI 2. CH20 CI (1 mole) ОН 5. 1. LDA ? (directed aldol condensation) 2. CH3CHO 6. HO H (cat) OH ? (cyclic anhydride) . (-H20)...
Please explain in details 3. Each reaction below is missing the substrate, reagent(s), or product(s), as indicated by the box. Write the missing substance(s) in the space provided to the right. Do not show any mechanisms or intermediates!!! Be sure to show stereochemistry where appropriate. If the products are missing, you must show all possible major products. If the s are missing, you must determine the number and order of reagents used. If the substrate is missing you only need...
For each of the following reactions supply the missing starting material(s) or final organic product(s) in the bobxes provided. HO Ph 1) LiAlH4 2) H20 Me Me Mel Br2 H30 1) PBr3, Br2 2) H20 OH excess NaOH 1) excess Br2 2) H30 Reaction Name:
1. 2. 3. 4. Please help! #1 might be right but no idea on the others Choose the correct reagent for the Dieckman reaction. ملی Eto Eto (1) NaBH(OAC)3 O (2) CH3COOH CH2N2 (COCI)2 NaOEt EtOH Choose the correct reagent(s). - لل Eto H30 + 04 CH3MgBr O H+ H2CrO4 NaOH OA Choose the correct reagent (s). (1) LDA, THE O (2) CH31 CH3=P(Ph)3 (1) Sia2BH o (2) H202, NaOH (1) LDA, THE (2) Cul Choose the correct reagent(s). (1)...