3. MECHANISMS: Provide complete, arrow-pushing mechanisms for each of the reactions shown below. Only TWO of these will be graded but YOU MUST COMPLETE ALL FOUR TO EARN ANY CREDIT! (8 pts.) (note: only mechanism for step 1) 1. Hg(OAc), CH3OH H20 H2SO4 tocha 2. NaBH
3. (a) Provide appropriate starting materials to complete the following reactions. но 1. BH3 2. NaOH, H2O2 (+ diastereomer) Но * 1. NaCN O H NO (b) Add suitable reagents to complete each reaction. Mcchanisms are not required. SHOS но Но (racemic) HO (racemic)
1. Predict the major product for the reactions shown below; pick any 5: HO xs CHal Ag20 NaOEt EtOH, Δ -H2O HO но он 0 он H2SO4 H20, A heat 1) PhMgBr 1) NaOH, Br2 2) 5% HCI 2)H3O+, Δ OEt 1) PPh3 3) KOtBu 2) O 1) NaOH on. Br 2) O o 1. Predict the major product for the reactions shown below; pick any 5: HO xs CHal Ag20 NaOEt EtOH, Δ -H2O HO но он 0 он...
provide reasonable step-by-step mechanisms for the following reactions. use arrows to indicate the movement of electrons HBr 0° C ОН cat. NaOH, НО НО (solvent)
5. Provide reasonable step-by-step mechanisms for the following reactions. Use arrows to indicate the movement of electrons. cat. NaOCH CH,OH (solvent) cat. NaOH, НО (solvent)
Propose synthetic mechanisms for the 3 reactions below. НО (R)-1-phenyl-1,2-ethanediol (S)-1-phenyl-1,2-ethanediol
Hi, could you please draw out the mechanisms for these 2 reactions? Thank you! H2SO4 + EtOH excess OMe 1. Me2CuLi OMe OH 2. H30
Please provide the mechanisms of the above reactions. Thanks! 1. (CH3)2CHCH2CH2ONO 1. Na S204, NaOH, heat 2. HOAC (excess) OH NaOH, ETOH, heat 1. (CH3)2CHCH2CH ONO ဖော်ဝါ (cat.)
2. a) Provide complete mechanisms for the following transformations: OH Но- reflux Н,о OH reflux b) Explain why the a bove reactions do not proceed in the absence of acid. Provide an alternative method of obtaining the same products from the given starting materials 2. a) Provide complete mechanisms for the following transformations: OH Но- reflux Н,о OH reflux b) Explain why the a bove reactions do not proceed in the absence of acid. Provide an alternative method of obtaining...
3. Provide mechanisms to explain the following reactions. Show all key intermediates and indicat4e electron flow using arrows. осн CH,OH, H H od osty 4 Hoe om o Et d. CH,OH,H", (F980, H H cat. CF,SO3H -Et H2SO4 heat . a n n-1 Et nucleophiles EtOHOEt