1. In first reaction ketone will get reduced to form secondary alcohol and we will get Racimic product.
2. Second reaction is Grignard reaction vinyl anion will attack on cyclohexanone and we will get two isomers.
Problem 21.15
a. Sodium cyanide will attack on carbonyl of aldehyde and oxide will get protonated by HCl and we will get cyanohydrine as a product.
b. Cyanohydrine reaction with acid in heating condition we will get acid as a product.
Problem 21.17
a. This is wetting reaction phosphorusylide will attack on keton to get 2-methyl propene as a product.
b. This is also witting reaction and we will get alkene as a product.
Draw the products of each reaction. Include all stereoisomers formed. NaBH CH,OH You are not [1]...
Draw all of the products formed in each reaction. Include all hydrogen atoms. Reaction A Select Draw Rings More Erase CH3 CH3 heat -CH OH + H- N Hąc CH₃ Reaction B Select Draw Rings More Erase CH HCI HH HVO Reaction C Select Draw Rings More Erase NaOH & H3C Hoo H O_H CHE Reaction D Select Draw Rings More Erase o=0 H CH + LiOH CHz - HO CH3 @ 212,
1. Predict the major organic products of the following reactions. Draw all stereoisomers that are formed. НО, OH 1 eq ,H2SO4 (assume H2O workup of reaction to neutralize product) 1. LDA 2. (assume H,O workup of reaction to neutralize product) 3. Hg(OAC)2 4. NaBH, EtOH 1eq HBr EtOH ambiente 1. Brz. CCL 2. NaOET, ETOH OH
Predict the products of the following. Thank you!!! NaBH H,so, e) CH OH Raney Ni PBr3 о- Li 0: HCI g) 2. H30* 1. Give the products of the following reactions by first, writing the products without stereochemistry and labeling the stereocenters. Then write out all stereoisomers. Hint: the correct number of isomers is given in ). Label the relationships between the products CO2CH3 2) CO2CHs heat
provide the products for each reaction including any relevant stereochemistry. if a pair of stereoisomers is produced, draw one and write + enantiomer ir + diastereomer, whichever is relevant. 1. CH, MgBr 2. H₂0" (Ph),Culi (R)-CBS + light 1. DIBAH 2. H, ... 1. Mgether 2. CO 3. H,0
Reactions and Reagents 17,37 Draw the product formed when pentanal (CH,CH,CH,CH,CHO) is treated with each reagent. With some reagents, no reaction occurs. a. NaBH. CH,OH e. Na,Cr,O, H,SO4, H,0 1. [1] (CH3)2CuLi; [2] HO b. [1] LIAIH[2] H,0 f. Ag,O, NH,OH J. [1] HCCN: (2] H,0 c. Hz. Pd-C g. (1] CHẠMgar, [2] HẠO k. [CH,CECLI: [2] H,0 d. PCC b. [1] CH, LH: (2] HẠO 1. The product in (a), then TBDMS-CI, Imidazole
1. Draw the product(s) of the following reactions. Include stereochemistry when relevant. If stereoisomers are formed then draw out and label the relationship between your structures. Ph-N3 40°C HN-NH2 SACOMe 150 °C d. CO2CH3 210 °C нсОСН3 In hv ZI 160 °C OBn 85 °C OBn OBno= o 1 equiv. CI K2CO3 heat PhCH N= H 1. LDA (1 equiv.) P 2. Ph Ph 3. aqueous work-up heat EtOH NaOEt 2. Draw the mechanism for the following transformations. I Н...
Draw the products formed in each reactions 11.58 Draw the products formed in each reaction. + H₂ Pd a ~ b. L CH b. W L + H₂ Pd CH₃ CH C. CHg + H2O HŞSO4 CH3
Z0 7. Predict the major organic product for each of the following reactions. Ph MgBr H H 2. H,0 COH-H 4 Phf_Ен снсн, В. rts OH 1. Na CEN 2. H,O cEN H-C CNa CEC-H 2. H,0 oH OH (1 mol) /H30 1. HO 2. Ph "MgBr H 3 Н,о" 1. CH,CR,L Cho OnO OH 2 H,о" Com- 1. NaBH 2. H30 3 H,0 fo-
2. Predict the products for the following reaction. Show stereoisomers formed and me mechanism of the reaction. 3. Predict the major product for each of the following reactions. Show the mechanis indicate stereochemistry where appropriate. BR be H.0 Tommi OH 11)
Part II: Draw the structure of the major product for each of the following reactions: OH 1) NaBH, OCH, 2) H,0 OH CH O- mi + ,0 — HCC OCH 1) CH,MgBr/ ether 2) H₃0'