Draw the structures of the starting material and the four missing intermediates. OH allyl bromide, K2CO3 acetone, reflux H2O2, H2SO4, MeOH (97%) MeO OMe (99%) ÓMe Оз. Dсм, МеОн, -78°С then Me,S DMF, 190 °C BnBr, K2CO3 (93%) acetone (78%) (99%) Br- OBn NBS, DCM (95%) Meo OMe OMe
Q: NH2
A: The question is based on the concept of organic mechanism. this is an example of nucleophilic acyl…
Q: When LiAlH4 reduces 3-methylcyclopentanone, the product mixture contains 60%…
A: When LiAlH4 attacks 3-methylcyclopentanone, the attack of the hydride can take place from above as…
Q: Study the reaction pathways given below and answer the questions that follow. (D) C;H,0 (W) (A) CI…
A: A sequence of organic reactions with incomplete reagents, which are to be accomplished.
Q: 1. Calculate Delta H° at 25°C for each of the unbalanced reactions below: a) C2H4 (g) + H2 (g) C2H6…
A: Concept: ∆H° =Σ ∆H°f (products) -Σ ∆H°f (reactants)
Q: Fill in the missing information for the reaction shown: NO3¯+ H2 --> NO2¯ + H2O deltaGo' = kJ Under…
A:
Q: 5. Consider the synthesis of 2-butanone from butyne: Hg2+ CH3CH,-C=C–H CH3CH, Ĉ -CH3 H3o* (i) Draw…
A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…
Q: Which reaction will not lead to aromatization? NH3, H Ph- -CH3 А. CH3 H2SO4 H3C. В. 1. NH2NH2 2. air…
A: concept - compounds that follow huckel's rule will be aromatic in nature. It states", in a ring…
Q: NH2 HN-CH ~ 10 X Faster than Reaction B Reaction A DMSO NH2 HN .CH3 Reaction B DMSO NO2 NO2 It is…
A: A. DMSO is a aprotic solvent which favours SN2 pathway. Here, CH3I acts as electrophile while -NH2…
Q: 1% mol Pd(OAc)2 4% mol Ph3P B с A CH3CN (1 ring) (2 rings) (3 rings) The above reaction involves two…
A: Heck reaction involves the coupling of alkyl/aryl halide with alkene in presence of base and…
Q: :0: :ö: :0: ö: CH3 „N. N. CH3, N- :N Énz СООН Énz COOH
A: Given, Penicillin and other β-lactam antibiotics typically develop a resistance to bacteria due to…
Q: Cr2072- + 6S203²- + 14H* → 2Cr3+ + 3S406²- 7H20 is reduced in the above reaction. A) S2+ B) Cr6+ C)…
A: Given reaction: Cr2O72- + 6S2O32- + 14H+ → 2Cr3+ + 3S4O62- + 7H2O We have to find the substance that…
Q: H3C H3C 2 H3C \H3C CuLi Li H3C CI OH H;C H;CO H3C D Br MgBr H3CO H3CO H3CO 2.
A: The given reaction involves multi-step. All steps are significant. This is a multi-step…
Q: Benzene is one of the compounds used as octane enhancers in unleaded gasoline. It is manufactured by…
A:
Q: Use electronic factors to arrange the following intermediates in order of increasing stability. a)…
A: We have to give the increasing stability order of the given carbolations. We know that the tertiary…
Q: Where did the last phase of H3O+ come from? Because quenching work is needed to make it OH at the…
A: GIVEN:-
Q: VI. Provide an acceptable mechanism for the first step in the alternative mechanism of the…
A:
Q: H2SO4 CH3CH2OH a. Draw the structure of the tetrahedral intermediate INITIALLY FORMED in the…
A:
Q: What starting materials or reagents are best used to carry out the following reaction? .CI O HNO3,…
A:
Q: CH3C-o-CCH. ČCH3 Но- -CH3 a. Draw the structure of the tetrahedral intermediate INITIALLY FORMED in…
A: The anhydride reacts with the alcohol to form an ester. The reaction proceeds by the nucleophilic…
Q: c) Show an arrow-pushing mechanism for each of the two reaction steps shown below. Fill in the…
A: The reaction between carbonyl group with Grignard reagent possesses alcohol. Further reaction with…
Q: 1. AICI, 2. O. AICI, 3. Br, FeBr,
A: In this problem, we will have to perform three types of reactions in a sequential manner. Friedal…
Q: (b) Differentiate between the following: i) COSY and NOESY ii) COSY 90 and COSY 45
A: A) the presence of a cross peak (a correlation off the diagonal) on a COSY dataset is a result of…
Q: In the process of forming sulfuric acid from sulfur, which of the following compounds is an…
A: The answer to the following question is given as:
Q: Create sywthesis worng at least your owN 6or the following reagants: ) Towes 2) LIAIRY )…
A:
Q: ________ is reduced in the following reaction: Cr2O72- + 6S2O32- + 14H+ → 2Cr3+ +…
A: Loss of electron is called oxidation process and gain of electron is called reduction process. The…
Q: Which of the following has the largest Keg for the formation of the hydrate (as shown below)? Keq НО…
A: Equilibrium constant of reactions is useful in determining extent to which a given chemical reaction…
Q: H3C CH3 `N H3C Na(CN)BH; A H В TSOH LOTS H3C- кон D + Calor
A: Here we have to determine the intermediate products A,B , C and product D in the sequence of…
Q: Which sequence of conditions best accomplishes the transformation below? CO,H .CI Select one: O a.…
A: Given reaction: We have to find the correct sequence of reagents for this transformation.
Q: from H =H + enatiomer Br 3. Hz, Pd, Lindlar's catalyst 4. H,C A 1. NANH2, NH, 2. Br 1. NANH2, NH, 2.…
A: ->NaNH2 is base which can abstract most acidic hydrogen and form nucleophile.which can give…
Q: H2 PUcharcoal H2 Lindlar's catalyst (1) OyCH-Cly-78°c (2) CH,COOH) H2 Pd/SrCO, (1) Oy/CH,C-78°c (2)…
A:
Q: 6. Complete the following reaction scheme (G) H2 Br, Br2 H3C- CH3 EC-CH3 H, CH;-CE (k) Pd/C H,…
A:
Q: 1 mole Br /2 moles H,/Pt 2HC1 1 mole H2 (a) Lindlar's cataly st NANH2 -CH3C=CH 1. disiamylborane 2.…
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: Fill in the missing information for the reaction shown: NO3° + H2 --> NO2¯ + H2O deltaGo' = kJ Under…
A: The reaction is – NO3-aq + H2 g→NO2-aq+H2Ol
Q: 0.2equiv. PPH2 cOOEt 75-80°c, 2.5-5.5h H. NC 13. HO OH CH,COOH H2SO, 14. Me NaN. MeSO,H, DME…
A: 13. The given reaction is shown below:
Q: A) Fill in the following scheme by drawing the structures of the missing intermediates and/or…
A:
Q: HCI + H2C = CH,→H3C- CH2CI The following mechanism, with the following energy diagram shown below,…
A: Consider the reaction mechanism: 1. HCl +H2C=CH2↔H3C-CH2+ + Cl- rate constant k1 for forward and k-1…
Q: H2SO4 CH3CH2OH a. Draw the structure of the tetrahedral intermediate INITIALLY FORMED in the…
A: Succinic anhydride with alcohol delivering the mono ester
Q: Which of the following correctly describes a key step of the reaction shown in the box? 1. EEONA 2…
A: To identify the key step detail mechanistic pathway is given below
Q: 4. When buta-1,3-diene reacts with HBr, two different products form: 3-bromobut-1-ene (A) and…
A: Hello. Since your question has multiple subparts, we will solve only the first three sub-parts for…
Q: H2O CH3C-OCH2CH3 H2SO4 a. Draw the structure of the tetrahedral intermediate INITIALLY-FORMED in the…
A: H2O →→→→→→…
Q: Write step-by-step mechanism for the following rearrangement: он H,SO, H,SO, Он ...........…
A: Pinacol – pinacolone rearrangement: First step is the formation of more stable carbocation
Q: a) Compound 1 reacts with LICKOR superbase ("BuLi/'BuOK) to provide carbene 2. The reaction of 2…
A:
Q: + HCI + H₂O + Brz + H₂ H₂SO4 CH₂Cl₂ Pd 25°C, 3 atm
A: Given,
Q: Do you expect Step 2 to be easier than Step 1? Why or why not?
A: The reaction of bromobenzene with nitric acid and sulfuric acid results in the formation of…
Q: Predict the major product. catalytic H,SO4 Br toluene heat 2) H,О NH2
A: This is an example of Stark enamine reaction followed by alkylation.
Q: Bromination of isobutane is a tw0-step reaction. CH3 CH3 Step 1 HaC-d. + -- Br. H-Br CH3 CH3 ČH3 CH3…
A: The difference in enthalpy of products and reactants is basically considered as the enthalpy of a…
Q: b) Write the products for each of the following reactions (remember to add phase labels for each…
A: Given, Correction: MgNO3(aq) formula is incorrect. The correct formula is Mg(NO3)2(aq). i)…
Q: A[CH,0] For the reaction below, what is with respect to At 2 C2H4(g) + 2 O3(g) – 4CH20(g) + Ö2(g) 4…
A: CH2O is a product and O3 is a reactant. The rate of consumption of a reactant is related to the rate…
Q: Draw the structure of the intermediate (I) for the reaction below. Hg(O2CCH3)2 NaBH, Product CH3OH…
A:
Q: NH2 NH2 N. N. H20 Но O-P-OH + ОН ОН ОН ОН The above reaction is a reaction. condensation
A: Breaking of polar bond with the help of water molecule is called hydrolysis. The same things happen…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- Dtermine the Products from the rxn Me. LDA A CH;I B + Lil -70 °C The Products A and B are Ме Me CH3 A= B= А. Me Me Me A= B= В. OCH3 Me. Me. A= B= С. Me Me. Me A= B= D.(a) (b) (c) (d) (e) (f) (g) (h) 1. NaBH4 2. H3O+ NH₂OH HCI catalyst 2 CH3OH HCI catalyst CH₂Cl2 1. CH3MgBr 2. H3O+ HCN KCN catalyst KMnO4 heat, H3O+ NH* co LỆNH CH₂Cl2QUESTION 3 Which of the following structures is NOT a contributing resonance structure A that explains the regiochemistry for the monobromination of toluene? CH3 Br2 Intermediate C-H,Br FeBr3
- H Ph 1) NEt3, DMF, 40°C 2) mild H3O* workup e.s Ph OH minor product OH Ph major product(8) + он он H30+ H NaоH, H₂0 25° C NAOH catalytic amountThe decalinols A and B can be equilibrated using aluminum isopropoxide in 2-propanol (isopropyl alcohol) containing a small amount of acetone. Al[OCH(CH,),1, НО acetone ОН A B Assuming a value of AG° (equatorial to axial) for cyclohexanol is 4.0 kJ (0.95 kcal)/mol, calculate the percent of each decalinol in the equilibrium mixture at 25°C.
- (1) MeO₂C CO₂Me (ii) (iii) H H₂C 1. Reagents 2. Reaction Conditions 3. Mechanism 1. Reagents 2. Reaction Conditions 3. Mechanism 1. Reagents 2. Reaction Conditions 3. Mechanism H₂C CH3 O OH OH Afla H₂C OMeThe following chemical reaction is used to synthesize a flavouring agent that has an aroma similar to bananas. H₂SO4(aq) CH3COOH(1) + CH3(CH₂)₂OH(1) I || Identify the type of reaction that is represented by this synthesis. Select one: CH₂COO(CH₂)₂CH₂(1) + H₂O(1) IV O addition O hydrogenation O substitution O esterification O elimination10. Dimethyl cycloheptene is reacted in a sequence of synthetic steps. Show the compounds formed as intermediates and the final product. Reactant 1 is methyl benzoate. 1.03 Methanol 1. NaOMe 1. NH2CH3 H', H₂O 2. H₂Oz H* (cat) 2.1 2. NaBH 80 °C. 5 h
- HO - CH, НО - ОН I CH_ - :0: solute CH ОН - NaCl ОН I CH - CH ОН - :0: || с :0: || - · C — CH2 — CH2 — C — ОН н Which is the better solvent? Н н C | H 1 C C 1 Н CH3- H2O CH₂OH C ||| C CH3(CH2), ОН :0: || S о- CH3 CH₂CH₂OH Н НReagents a. CeHsCHO b. NaOH, ethanol c. Pyrrolidine, cat. H* j. Brz, H* d. H2C=CHCN e. H3O* f. h. BRCH2CH=CH2 i. Na* OEt, ethanol k. K* t-Buo I. CH2(CO,Et)2 m. heat CH2CH2CN LDA g. ELOC(=0)COEt Select reagents from the table to synthesize this compound from cyclopentanone. Enter the letters of the chosen reagents, in the order that you wish to use them, without spaces or punctuation (i.e. geda).=. Write the main products of the synthesis reaction according to the specified raw materials, reagents and reaction conditions H3C-SCH2 но, t-BUOCI, CHCI, 50 °C 1. Ca(CIO)2 HạC-C=C-CH3 нн CH3COOH, H20 2. NBS, Et,N'3HF CH2C12,20 °C 3.