predict the product for alkyl addition. Show stereochemistry as part of product
predict the product for alkyl addition. Show stereochemistry as part of product CH3 l) LDA, ether...
Stereochemistry of Electrophilic Addition Reactions of Alkenes 4. Predict the product of the following reaction. Consider the stereochemistry of the product Br Br. cis-2-butene trans-2-butene + сна, CH2Cl2 5. Predict the product of the reaction. Is the product a terminal or internal alkyne? Br 1. Excess NaNH 2. H,O Br
(24 pts) 3. Predict the product(s) for each reaction. Indicate stereochemistry if known. If more than one product is predicted, circle the one you think would be major. If there is no reaction expected, then indicate NR. а. HaCl.. Br NaCN THF b. Н—Br ether ОН с. CH3 КОН Br THF d. НОСН heat е. PBr3 ОН ether f. ОН NaSCH3 Hо g. cat Br H2SO4 heat ОН h Br H но heat Br
7-46 Predict the dehydrohalogenation product(s) that result when the following alkyl halides are beated in asshole KOH When more than one product is formed, predict the major and minor products. (a) (CH3)2CH-C(CH3)2 (b) (CH3)-CH-CH-CH (e) (CH3)2C-CH-CH Br Br Br CH | (CHDC CI HD CI
1. Give the structure of the product(s) for the following addition reactions. Show appropriate stereochemistry if necessary to get the full credits. (5 points) 50% H2SO4 50% H20 1. BH3, THF 2. H2O2/KOH CH3COOH ry condon YY PEO 1. 03 2. Zn/H2O 2. Give the syn or anti addition products for the following addition reactions. Show appropriate stereochemistry if necessary to get the full credits. (5 points total) Hz/Pt 1 point 1 point Hypt DBk Det ook o BryH2O 1....
Alkyl Halides and their Reactions: Nucleophilic Substitution and Elimination l. Predict the major organic product for each of the following. (1 major structure is all that needed in each case). (3 points each) Br CH3ONa CH3CH2ONa (for "d", show elimination product only, there will also be some substitution) NaOH e, optically active (for "e", show substitution product or products only. If both enantiomers form, draw both) Is the product solution for reaction "e" above racemic or optically active? (1 point...
12. For the following reaction, predict the product (s). Include appropriate stereochemistry No mechanism necessary. (8 points) Also, indicate if the alkyl halide is R or S (2 points) OH Br
Predict the dehydrohalogenation product(s) that result when the following alkyl halides are heated in alcoholic KOH When more than one product is formed, predict the major and minor products. (a) (CH)2CH-C(CH)2 7-46 (b) (CH),CH—ҪH-СH, T (c) (CH)C-CH-CH, Br Br (e) (f) Br (d) (CH) C CH3 Br Н HD Br
(5 pts) 1. Predict the structure of the product of the following reaction. Show the stereochemistry, where applicable. 1. BH3, THE CH3CH2C= CH 2. H2O2; NaOH, H20 -CH2C= CCH2CH3 NH3 Excess HBT CH3CH2CH2C=C-CH3 1 Equiv. Br2 CH3CH2CH2C=C—CH3 CH3CH2CH2C=C—CH3- 1.03 2. Zn, H30*
Predict the products or write the required reagents for the following transformations. Show stereochemistry in the products if pertinent. 4. 1. CH3MgBr 2. Hyo b. OH 1. NaBH4, EtOH HO 2. H3o d. Br 1. Mg, ether 2. НО'Y 3. H
36. Predict the product for the following reaction sequence Mg/ether 37. Predict the product for the following reaction Br 2. H2O