CHINH, HN CHINH, 19LiAH 2) H,0 Br NaN, 1) LAH 2) H0 1) LAH 2) H.O Br NCN 1) Sn, HCI 2) NaOH Proponga sintesis para: CHANH, ambos a partir de benceno respectivamente
draw major product
CHCI 1) KOH/DMF HANNH, EIOH NaN, LAH THF NaCN LAH THF DMSO HONO, Hy/Ni CH,OH H2SO4 1) SOCI, /py LAH Hy/Ni CH,OH H. (cat) -H₂O NaBH,CN CH, OH
CH OH HO 100% Me CO-Et HB 2 H-O EtOH AcOH 68% Br T8 Me 77% CH 0H 2 10% HCI in MeCN 1) TsCllpy 2) Nal LDA H (cat.) Me Me 75% CH-OH CH2 Me (8 6 Draw wedge/dash drawing of the following Fischer projection scheme 1-8 and assign the stereocenter(s) R or S absolute configuration
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
2. CuCN -CH₃ 1. N(CH3)2 2. Ag2O, H20 3.A Br 1. LiAlH4 Ph NaN 2. H20
1. Predic! For Products 03 ) DMS 3) FACESS LAH 47 Нзо Mg Br 2) Hao 0 6. 3) Naz Cry01t sDy Hао 4)gBr s) H30
2. The following reaction will not work. Please explain why. cat. H-Br NH; solvent NH2 3. Use your knowledge of mechanisms to predict the product for each reaction: LiAlH4 → ????? LiAlH4 ????
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
Fill in the reagent/product/reactant:
OCH3 1) K* -OCH3, HOCH3 2) H30*, A 1) NH,OH, H+ (cat.) 2) H2SO4 O NX OH SOCI 1) LiAlH4 2) H2O NaN3, A NaOH, Bra HO, A
1. Road-map: NaNH2 1. LDA 2. CH,Br Na/NH 1. O3 2. DMS H2, Lindlar's cat. 1. KMnO4 OH, heat 2. Н,о* 1. OsO4 2. H2S Br2, H2O NaH