What is the MAJOR product of the following reaction sequence? 1) NaOEt, EtOH, heat ... 2а) ВН3 THF 2b) Н,Оz, NaOH of ... + en OH .... ... en SE но ... + en OH
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- Choose the most correct set of reagents for the following reactions. 1. ? a O b O C O 으으 OH 2. ? OMe a. 1. MsCl, pyridine; 2. NaOCH3, CH3OH b. 1. HCI, pyridine; 2. NaOCH3, CH3OH c. 1. PCI 3, SOCI2; 2. NaOCH3, CH3OH d. 1. TsCl, pyridine; 2. NaOCH3, CH3OH e. 1. CH3O-, pyridine; 2. H* f. 1. Pl3, pyridine; 2. -OCH3Synthesize the following compound from cyclohexanol using any other organic or inorganic compounds. HO. Part 1 out of 2 Preparation of the Grignard reagent: Book rint rences OH draw structure ... draw structure... Draw the intermediate product formed above and select the correct reagent A. O MgBr, O CH;Br O Brz PB13 Draw the intermediate product formed above and select the correct reagent B. O MgBr O Mgo O O Mgl, O Mg Hint Prev 3 of .8 Next > re to search7. Devise a synthesis of each compound from the given starting material. You may use any needed organic or inorganic reagents. More than one step may be required. Me OH ...Br ??? Eto Me ☑OH Me OH Z ??? ...Br Me OH ....OMe
- Provide the missing intermediates and final product in the following synthesis. 1. LDA (excess). A 2. Н,о Br2 1. NaH В 2. C H,/Pd CI4 Lindlar catalyst ВА 1. CH,MgBr H,CrO4 D E 2. NH,CI, H,O F GWhat is the missing reagent in the reaction below? of of. cr CI Multiple Choice O LIAIH4. [2] H2O (1] CH2=CHLI, [2] H2O (1]) (CH2=CH)2CULİ, (2) H20 (1] DIBAL-H, (2] H20Which compound is the major product of the reaction below? QH (1) LIAIH,/ether N. N. N. (2) H* (dil.)/H,O (A) (B) HO, (C) (D) O Compound B O Compound A Compound C Compound D
- Complete the following reaction scheme. 1. DIBALH 2. H3O+ TMSCI Pyridine 1. LIAIH(t-BuO)3 SOCI2 2. H3O+ CrO3 H3O+3. Provide the missing reagent(s) and major product(s) for the following reaction sequence. d. OCH3 a. 1. NaBH4, CH3OH 2. Н3О+ OCH3 b. С. Ө ма OH28. It is best to carry out the conversion of CH3B to CH3-S-CH3 with the use of the reaction sequence: i) NaSH ii) 12 А. i) NaSH i) NaOH C. iii) CH3Br iv) H2O2 В. i) NASH i) KMNO4 i) NaSH i) NaOH i) CH3Br iv) CH3CO3H D. `Br NaH 29. In the reaction shown above, part of the product shown on the right came from: А. В. C. D. None of these 30. The transformation of 1-bromopropane to 1-butanol may be carried out by which of the reaction sequence? i) Mg i) HCHO ii) H3o* ) Mg i) HC(OC2Hs)s ii) H3O* iv) LIAIH, v) H3O* А. с. i) Mg i) CO2 ii) H30° iv) NABH4 v) H3o* В. D. None of these
- In each reaction box, place the best reagent and conditions from the list below он ... он 2) 3) HаCrOд Н2О2, NaOH, H20 Br2 Cl2, H20 PCI3 ВН- THF H2SO4 (conc.) dilute H3O* NaBH4 in EtOHChoose the reagent(s) that would be most likely to complete this reaction. HILL Y.... A B C D E BH3-THF H2O2, NaOH tBuOK CHCI 3 CH2I2 Zn/Cu mCPBA 1. Hg(OAc)2, H₂O 2. NaBH4, NaOHIn each reaction box, place the best reagent and conditions from the given list. H3C H₂C OH CH₂COO™ H₂O+ H₂SO₂, conc. CH3 CH,O 1) 2) 3) 4) Answer Bank H₂O₂, NaOH, H,O NaBH₂ TSCI, pyridine NaOH H₂C BH₂, THF (CH,), CO" 'OH CH3