Compare the reaction between 2,4,6-cycloheptatrienone and cyclopentadiene to the reaction between 2,4,6-cycloheptatrienone and ethene. Why does 2,4,6-cycloheptatrienone use two T electrons in one reaction and four T electrons in the other? a. b. + CH2=CH2
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- What is the following compound's systematic name? CH3CCHCH2CHC1 CH3 CH3 Select one: O a. 5-chloro-3-methyl-2-hexanone O b. 1-chloro-1,3-dimethyl-4-pentanone c. 5-chloro-3,5-dimethyl-2-pentanone O d. 2-chloro-4-methyl-5-hexanone e. 5-chloro-3-methylhexanone Clear my choiceSeveral diamines are building blocks for the synthesis of pharmaceuticals and agro-chemicals. Show how both 1,3-propanediamine and 1,4-butanediamine can be prepared from acrylonitrile.Two diastereomeric sets of enantiomers, A/B and C/D, exist for 3-bromo-2-butanol. When enantiomer A or B is treated with HBr, only racemic 2,3-dibromobutane is formed; no meso isomer is formed. When enantiomer C or D is treated with HBr, only meso 2,3-dibromobutane is formed; no racemic 2,3-dibromobutane is formed. Account for these observations.
- a-phellandrene and ß-phellandrene are two isomeric diene-containing terpene compounds isolated from eucalyptus plants that are used in fragrances due to their minty and citrusy odors. Use these two compounds to answer the following two questions: a. The addition of 1 equivalent of bromine at room temperature to the phellandrenes will give three possible di-brominated products. Select either a- or ß-phellandrene for this question and draw it in the left box - you can answer this question with either isomer. Draw all three products in the colored boxes depicted - you do not need to depict newly formed stereocenters or show mechanisms. OR a-phellandrene B-phellandrene product 1 select either a- or B-phellandrene product 2 Br₂ room temperature 3 possible products (see below) product 35 6 Is the compound E or Z? Attachments A. E B. Z Is this molecule E or Z. I Attachments 3-bromo-2-carboxaldehydo-3-fluorobut-2-enoic acid H₂N H₂N A. Z B. E HC HCH₂C C ECH₂C OH Br CH₂CH CH₂CH₂OHWhat id the correct IUPAC name of this compound? Br OH • (25,4R)-2-bromo-4-pentanol O (25,45)-4-bromo-2-pentanol O (2R,45)-4-bromo-2-pentanol O (2R,4R)-4-bromo-2-pentanol O 25,4R)-4-bromo-2-pentanol
- Give the products formed when benzaldehyde and benzoic acid are treated with the given reagents. h. 2 moles CH3OH, H+i. CH3MgCl, then H2O, H+j. H2ODraw the products formed when p-methylaniline (p-CH3C6H4NH2) is treated with each reagent. a. HCl b. CH3COCl c. (CH3CO)2O d. excess CH3I e. (CH3)2C = O f. CH3COCl, AlCl3 g. CH3CO2H h. NaNO2, HCl i. Part (b), then CH3COCl, AlCl j. CH3CHO, NaBH3CNConsider the structure of pent-2-ene, if it undergoes ozonolysis, which of the following final product is formed? a.Ethanal and Propanal b.Ethanal and Propanone c.CO2 and Propanal d.Ethanal and CO2
- Indicate the products obtained in the reaction of propan-2-one with p-chlorobenzaldehyde with aqueous NaOH with eating. H. H3C CH3 propan-2-one p-chlorobenzaldehydeDraw the product formed when pentanal (CH3 CH₂ CH₂ CH₂ CHO) is treated with each reagent. With some reagents, no reaction occurs. a. NaBH4, CH3OH b. [1] LiAiH4: [2] H₂O c. H₂, Pd-C d. PCC e. Na₂Cr₂O7, H₂SO4, H₂O f. Ag₂O, NH4OH g. [1] CH3 MgBr; [2] H₂O h. [1] C6H5 Li: [2] H₂O i. [1] (CH3)2 CuLi; [2] H₂O J. [1] HC=CNa; [2] H₂O k. [1] CH 3 C=CLI; [2] H₂O 1. The product in (a), then TBDMS-CI, imidazoleDraw the structure of a compound fitting each description: a. an aldehyde with molecular formula C,H30 b. a ketone with molecular formula C4HBO c. a carboxylic acid with molecular formula C4H,O2 d. an ester with molecular formula C4H&O2