Mechansim. (cat. Grubbs) cat Grubbs II (CICH2)2, reflux 60% "Me Ph 12 2
predict the product 1. (12 pts) Predict the product for the following transformation. OH OH 유 1.H2OH' HO 2. KH, 18-c-6, THF OH OH Br Ph OH OBn O 1. H20, H HO 2. O 、Me , cat. H+ Me 1. (12 pts) Predict the product for the following transformation. OH OH 유 1.H2OH' HO 2. KH, 18-c-6, THF OH OH Br Ph OH OBn O 1. H20, H HO 2. O 、Me , cat. H+ Me
K Cro H SOHO onto in concerts Nam, 2. HCI, THF, 60 °C (pH 4) 1. H,So, fot.), H,O 2. Na,8,0,H0 KOH (cat.), acetone (1) to ton 2. NaNO, AOH reflux 1. HNO, ACOH 2. Na svo NaOH, HD 100c 3. triethylene glycol 210 °C
Me Me Br Me MgBr 2. HaO H+ cat 1. NaN 2. LiAlH4 (LAH) then Haot Et 1. LDA, -78 oc then Me O. Et NH OH Ph
can someone explain this mechanisn to me? Me01 -NH₂ H2SO4 (cat.) H20 NaBHGCN pH 6-8
Major product CH3 Lindlar's cat., H2 H3C 1. CH3MgCl; 2. dil. HCI Ph cat. H2SO4, ethanol Ph Cl2, methanol -CH3 H3C (H3C)3C CH3 dd. LiOC(CH3)3 Cl CH3 (H3C)3C LiOH, heat Cl (H3C)3C CH3 LiOH, heat
predict the products and indicate the relative stereochemistry for the following transformations. When necessary indicate the major product. Me 1. light 2. xylenes, heat Et (d) (4 points) CN xylenes, heat Me 2. H30+, heat 3. Me OH Me Me cat p-TsOH, PhH reflux (d) (4 points) Meo OMe 1. AczO, pyridine Meo 2. HO HO OH Me 1. light 2. xylenes, heat Et (d) (4 points) CN xylenes, heat Me 2. H30+, heat 3. Me OH Me Me cat...
Identify the missing products in reactions (i), (ii) and (iii) below. Me N Ph 1. POCI3 2. Na2CO3, H2O 1. NaNH2 2. EtBr 2
Predict the product H2 S Dy Cat ヲ Ph Bentene 2) Draw the reacthon
Reaxtions of carbonyl compounds Reactant 2-or reagent(s) (formulae) Main product (formulae) Name (Bomus) oPh OEt Ph O +NaOMe (cat.), Me MeO OMe MeOH + KOH, Me A Ph P OMe NMe2 Ph Me Eto. 16 D1 O O= O= O= Reactant 2-or reagent(s) (formulae) Main product (formulae) Name (Bomus) oPh OEt Ph O +NaOMe (cat.), Me MeO OMe MeOH + KOH, Me A Ph P OMe NMe2 Ph Me Eto. 16 D1 O O= O= O=
can you help me with a detailed mechanism for number 7 HONOME cat. H SO, Dean-Stark trap PhBr - PhVO SOCIE HN 2 NEL 1) LDA, -78 °C CO Me 2) HPn (give a reactant and a reagent) (sterochem. can be neglected; elim. product (alkene) also okay) 1) Ph Br 2) HCIH,0 molecular sieves (dehydrating agent) OME 1) NaOME 2) Mel 3) LiOH 4) HCI (quench) 5) heat