1. Provide the major product(s) for each of the following reactions. (22 pts.) NBS Br2 NBS...
Predict the MAJOR product for the following reactions. (3 pts each) Br2, hv Br2, hv Br2, hv Bry, hv Provide the missing reagents for the following reactions. (Hint:There may be more than 1 step) (4pts each) OH HO
Provide the reagents and their sequence of use necessary to produce the major product shown in each of the following conversions Les ri - - 1.2 (a) Provide a mechanism for the following reaction CH,ONa CH, OH m o amore chat es (b) Explain in detail why the compound shown below is not formed in the reaction given in 1 2 (a) above [TURN OVER] 13 Give the product and the mechanism of the following reaction NaOH (1) Ph? н...
1. Provide the missing starting material, reagents, or major organic product for each of the following reactions. (No more than two steps are required in any case where we ask you to fill in reagents.) 1. Mgo, Et20 2. H20 a) Cl b) MgBr OH , Et20 2. H* workup c) OH d) NaOH (cat.) e) OH NaBH4, CeCl3, MeOH
TEST YOURSELF. Provide the missing reagents/conditions or major organic products for the following reactions Br2/hv Br Br2 CCl4 Br KO-t-Bu OH Br Br HBr CCl4 Br
8. [18 pts) Provide the expected organic product(s) from each of the reactions below. Ignore the stereochemistry. No mechanism required! (3 points for each organic product, switching the major and minor will be penalized) a. Major: NaOCH; E2 Br b. Major Minor OH E2 Br 3 products in total CH,OH ΕΙ 6. 19 pts] For each of the following reactions, give the organic product(s), and include the stereochemistry when applicable. No mechanism required! (3 points for each organic product) a....
10) Provide the structure of the major organic product in the following reaction. (CH3)3N + CH3CH2CH21 - 11) Provide the structure of the major organic product in the reaction below. NBS 12) What series of synthetic steps could be used to carry out the transformation shown below? CN 13) Provide the structure of the major organic product(s) in the reaction below. -CEC-H HgSO, HO H,SO We were unable to transcribe this image
1. For each of the following reactions, provide the structure of the major organic product(s). Show all the relevent stereochemistry clearly. who CH2OH reflux CH2CH3 Na SET Br DMSO, 20 °C I- A to CH2CH3 CH3 H- EtOH OTS 20 °C Me NaNH2 NH2 DMSO dilute solution of substrate 2. Complete each of the following reaction by providing reagents and conditions (solvent. temperature, concentration, etc.) so that the product shown will be the major one. Note: for c), two steps...
II. Reactions: Predict the major organic product(s) or write the appropriate reagents/starting materials for the following reactions. Indicate stereochemistry and regiochemistry when appropriate. Indicate reactions that are expected to result in a racemic mixture of products DBr 1. Н.О, CHCI он HSO, heat кон 1) вн, THF 3. 2) H202. HO 1) Hg(OAc)2, CH,OH 2) NaBH, OH 5. Br2 SH 6. HIO4 OH THF, H2O "он III. Synthesis: Starting from the alkenyl bromide below, devise a synthesis that produces the...
PLEASE ANSWER ALL QUESTIONS 41) Provide the major organic product of the following reaction. Bry, FeBry 42) Provide the major organic product that results when benzene is treated with the following sequence of reagents: 1. HNO3, H2SO4 2. Br2, FeBr3. Answer: NO2 43) Explain why Friedel-Crafts alkylation reactions are prone to poly alkylation, whereas Friedel- Crafts acylation reactions are not prone to polyacylation? 44) Which series of reagents would be required to perform the following synthesis? A) 1. CICH2CH2CH3, AICI;...
1. (28 pts. total) Draw the major organic product of the following reactions or provide reagents for the transformation. Assume an aqueous workup in each case. Indicate the stereochemistry where necessary a) 7 pts OH PCC b) 7 pts. Lindlar catalyst c) 7 pts. Predict the starting materials that were used to form the following molecule via Robinson annulation. Robinsca annulation d) 7 pts. Predict the starting materials that were used to form the following molecule via reaction followed by...