in above reaction amine react with NCO to form urea as condensation product and repeating unit
7. (12 points) Predict the repeating unit of the polymers formed in each of the following...
18.Draw the repeating unit of the polymers that will be formed from the following reactions: CH CH C1--C C-CI HO CH
you need to make a new linear, high molecular weight, poly(amide) – Give the structures of the polymers that could be formed from the following monomers and in each case identify the repeating unit. Lecture 9 Activity: you need to make a new linear, high molecular weight, poly(amide) Give the structures of the polymers that could be formed fromm the following monomers and in each case identify the repeating unit. - 1.H2N NH2C CI он OH HO Cl Cl Lecture...
1. Predict the products of the following reactions. CH3 TsCl Pyridine NaCN CH3 PBr3 Pyridine NaCN (1) BH3:THF (2) H2O2,OH H2SO4(cat.) H2O (1) Hg(OAc)2 (2) NaBH/OH 2. Write the mechanism of the following reactions он но он Ph BF3 Ph
(4 pts 2 pts EC) Predict the products for the following reactions. Pay attention to stereochemistry 2. where appropriate HO SOCI2 а. dioxane 1) TsC pyridine Он b. 2) LIAIH4 1) TsCl pyridine но° C. 2) Nal OH РСС d. CH2CI2 он NaOCI но, acetic acid он NaOCI Он ТЕMPO
Draw the repeating unit of the following condensation polymers and identify the monomer(s) used in their synthesis. Kevlar Kodel Nomex Quiana
Assume you need to make a new linear, high molecular weight, polyamide or polyester Q. 1 (a) Give the structures of the polymers that could be formed from the following monomers and in each case identify the repeating unit -NH2 H2N- OH -ОН но. Но 2 NH2 CI H2N 3. НО. ОН Но ОН 4. OH но 5. Describe the issues you must be aware of in order to consistently achieve high (b) molecular weight polyamide or polyester? Assume you...
3. a. Use the open literature to give three examples of each polymers formed by step (condensation) polymerization and by add ition (chain) polymerization. Describe the monomers, structural unit(s) and repeating unit in each case.
12.17 Predict the organic product from each of the following oxidation and reduction reactions. ОН РСС NaBH РСС (a) (с) CH2C2 (е) но CH2C2 НО НО (b) Н.CrO, (d) ОН (1) LIAIH HO (2) aq. H2SO4
IVA. Predict the organic products formed in each of the following reactions of acetophenone. (12 points) .H,O 1. PhMgBr, Et, 2. H2O 1. NaBH, CH,OH 2. H,O* 2 CH,CH,OH, H,00 IVB. Show a detailed mechanism (using curved arrows) for the Grignard reaction in question IVA between acetophenone and phenyl magnesium bromide (6 points)
7. Predict the product of each of the following reactions: (4 points each = 12 points total) 1. NaOEt/EtOH 2. o O Br 0ヘ 3. H3o 4. heat B. 1. NaOEt/EtOH 2. H3O workup C. NH2 1. CHal (excess) 2. Ag20, H20, heat 7. Predict the product of each of the following reactions: (4 points each = 12 points total) 1. NaOEt/EtOH 2. o O Br 0ヘ 3. H3o 4. heat B. 1. NaOEt/EtOH 2. H3O workup C. NH2 1....