chem help please 10. Provide the reactants necessary to prepare the following compound using Robinson annulation....
explain 02. A compound with a molecular formula C&H SCIO, has the following 'H NMR spectrum. The IR spectrum shows strong absorption at 1800 cm!. Which of the following structures is consistent with this spectrum? PPM علی علی معلم A) I B) II C) III D) IV E) none of these 89. A compound with a molecular formula C10H1202 has the following 'H NMR spectrum. Which of the following structures is consistent with this spectrum? 11 10 9 8 2...
Need Help. Will Rate If Complete. 26 - Draw the mechanism for the following Robinson annulation reaction. Draw all the arrows to indicate movement of all electrons, write important lone pairs, all formal charges, and all product for each step. In the dotted box write the mechanistic element for each transformation. If a new chiral center is created in an intermediate or in the product indicate with an asterisk (*). :0-H 0:0: :0-H LA Racemic Q7-The final step in tyrosine...
Really confused on this one! Organic Chem please help. How are we supposed to write this one out? Provide the expected major organic product of the reaction sequence shown. I and II IV and V I only II only III only The reaction of HC1 with 2-elhyl-l-pentene or HC1 with 3-methyl-2-hexene results in the identical major product of 3-chloro-3-methylhexane. Provide a mechanistic scheme (using curved arrows) showing the reaction of each alkene with HC1, including the intermediate and product. Provide...
please help in all sections!! Provide the reagents necessary to carry out the following conversion. OH -OH 1. LAIH/H20 2 KCN/HCN 1 KCN/HCN 2. H₂O 1. NaBH/CH OH 2. H₂O Provide the product for the following reaction Но* Br HOCH2CH2OH Mg/ether H2SO4 2. H,0 но оно о оо ОН Provide the reagents necessary for the following conversion Br O 1. NaBH/CH3OH 2. CH3CH2MgBr CH3CH2 Mg Br/ether 1. H30 2. CH3CH2MgBr/ether 1. CHCH2Mg Br/ether, 2. H₂OT, A Rank the following compounds...
please answer will rate Which is the most acidic hydrogen in the following compound? V o H HAI CN H HII IV H Hн A. III B. I C. II D.V E. IV
please help and please explain!! 21. Compound L has the molecular formula Ciill 0 L is insoluble in water but dissolves in aqueous NaOH. The infrared spectrum of L shows a broad absorption band in the 3200-3600 cm region; its 'H NMR spectrum consists of: triplet, singlet, quartet, singlet, multiplet, δ 0.80 δ 1.2 δ1.5 δ45 δ 7.0 (6H) (IH) (4H) The most likely structure for compound L is: HO HO HO IV A) I B) 11 C) III D)...
iv. Select the structure of the major product in the following reaction. i) H, Lindlar catalyst ا ل ل ا ;0 (ii iii)Zn, CH;COH a) I b) II c) III d) IV اللہ لب بل اللہ الللہ e) V
Please help. Provide the reactant or reactants of the following reactions. b.100 HP no, ve, a si.com HO, UCI, O NOOH, 4000 Aic's NOOH, H₂O via IM aldol NBS ROOF H₂C.ou
please help organic chem sto- cataloa (-) on TEXAS INSTRUMENTS 10. (18) Provide a detailed mechanism for the photo-bromination of neopentane. 5 (13) Draw a completely labeled reaction energy diagram for the following reaction 11. sequence: Он, Cosoyn oso H Н- СОН Chse o
10. Please Check 1 by 1 and read carefully. I would need a perfect score for this . Thanks Select the keyword or phrase that will best complete each sentence A Claisen reaction is a nucleophilic substitution in which an enolate is the nucleophile Key terms: Robinson annulation Aldol condensation: An aldol reaction in which the initially formed p hydroxyl carbonyl compound loses water by dehydration. Claisen reaction Aldol condensation Dieckmann reaction: An intramolecular Claisen reaction of a diester to...