ORGANOMETALLIC REACTIONS CH2l2, Zn(Cu) ether N. CHa2, Zn(Cu) ether CHała Zn(Cu) ether CH212, Zn(Cu) ether CHzz...
27. What is the major product in the following reaction? CH212 Zn(Cu), ether o znicu. ether Br. 28. What is the relationship between the pair of compounds shown below? Bra VS. Br D) identical C) diastereomers B) enantiomers A) constitutional isomers
Problems eactions of 24 Predict the ransition-Metal Organometallic Compounds e principal organic product of each of these reactions involving transition-metal or 15. organic reagents CH212 Zn(Cu) diethyl ether CH212 Zn(Cu) diethyl ether b) LiCu(CH3)2> CH30 +LiCu(CH2CH2CH2CH3)2 CH3 palladium acetate OCH2CH3 5m01 %
U. Cis-nept-2-ene+CH212, Zn(Cu) 19. (10 points)Show how you would accomplish each of the following synthetic conversions. a. trans - but - 2 - ene + tra - 1,2-dimethylcyclopropane cyclopentene - cyclohexanol
Please help with reactions 1. OH 1) NaNH 2) CH3CH2Br PBr3 Br NBS KMnos HT CH212 Zn (Cu)
Identify the reagents to be used in the following synthetic schemes: (Specify the reagents you would use to carry out the conversion by using letters from the table. Write the letters in the order that they are used, e.g., abc.) Scheme1 CH3 CH3 CH3 CH3 OH Scheme 2 Br CH3 H3C CH3 CH3 a. BH3, THF then H202, OH h. NBS, CCl b. PBr3 c. Mg, ether then H3o* d. (CH3)2Culi e. Br2 f. NaNH2, NH3 g. H2O, H2SO4, HgSO4...
2. Draw the structure of X and complete the following reactions. H2 Lindlar's cat. CH212 CulZn 1. NaNH2 2. CH CH CH Br 1. BH, THE 2. HOOH HgSO4 H2O/H Terminal alkyne X
Complete the following reactions and show stereochemistry where appropriate AICI COCOP Br2, excess CHCI КОН ethanol CH2l2 1. BH3. THE 2. H2O2. OH Zn(Cu), ether -OH HE Pyridine SO3 H2SO4 HBr
Reagents Available a. H20, H2SO4, HgSO4 b. BH3 then H202 c. NANH2 d. CH3CH2Br e. HCI, ether f. H2, Lindlar catalyst g. Li, NH3 (ia) h. CH2l2, Zn(Cu) i. H2, Pd/C 1. Вrz. СH2Cl Select reagents from the above table to carry out each of the following reactions. If only a single step is required, select (none) from the drop down list. ? CH-CH-CH2C3CСН3 CH,CH-CH2CH2CH-CHз Reaction 1: Step 1: G Step 2: 0 CH3CH2CH2C CH CH,CH2CH2CH2CНО t Reaction 2: Step...
Question 9.27, 9.30 Choose one reagent from the Table to carry out the following conversions. Use letters from the table to specify reagents. Reagents КMnO,/ Н,о* O3 d 1. Br2 g a 2. KOH in ethanol H2/ Lindlar catalyst hr H20/ H2SO4/ HgSO4 е 1. NaNH2 in NH3 2. CH3Br Li in NH3 1 equiv Br2 f 1. BH3 in THF C 2. H202 in NaOH a) CHACH,сH,сH,CECH CHн-CH-CH-CH2CH-CH CHз b) сHa-CHa-CEс-сн, CH3CH2 The following synthesis requires more than one...
write a major product for each of the following reaction, indicate appropriate stereochemistry 1. NBS, hv, CC14 Tag 1. Xz; x's NaNH2 2. (CH3)3COK, (CH3)3COH, A 3. OHC = CHO, toluene, A 2. ă Br 3. H2 , Lindlar's catalyst 3. RCOZH; H30°x, H2O 1(x'sNaHz; ~ X (C) = 2. K, NH3(1), CH3CH2OH 3. CH2l2, Zn(Cu)