What is the stereo-chemistry of the following reaction? Br O=C CH3C-OH Racemization None anti-periplanar O anti-racemization Inversion Give detailed Solution with explanation needed with reaction structure. don't give Handwritten answer
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- 3) wite down the open structures of A, B, C and D wfth the reactions the Tyn thes is D, scheme showing given in synthesis the of trust. of pheromone H-CミC- H 1) NANH2 l18quid NHg -78°C. 2) 1- bromo-5-methyl hexone 3(Cg Hgb) 1) NANH2//iquid NHs/-78 °C A (CaHi6) 2) 1-bromodecane P-2 (Nez B)/He . cicuHu) CiHg Cog H D(Cig H3pO) 19 19 CS CamScanner ile tarandıWhich of the Allwing Paren thesis) has the highest molor heat Cupacity a) Glyeine (97A) 6) Alanıne (121 A) f Leucine (1AI A) Phunylalanıne (228 n") S Tryptophan (204 A) Omino aud residues (accessible surfaa area in In water?1) 1544565- NH₂ 2) CI of & 7) 8) reagents used: FeCl3/Cl₂ HNO3/H₂SO4 MeCI/AICI3 ACCI/Et₂N SO3/H₂SO4 Pd/C, H₂ NaOH H₂SO4/heat ACCI= CI [Choose ]
- compound With chemical formol a CyH10 0 Results of chemical te st for c4 Hio O chemical Test molisch obseruations ninny drin 2,4 -DNP hot acidic kMn Oy turbid coloriess sol'n cle ar pale-yellow solin | clear orange -yellow solution lear porple sol oti on clear pare - yellow soln lodoform 1. answer paitive in chemi cal reaction weather (+) E) - regatiue wnat is the function al CyHioO? what is the probable structure 0f line bond 2. group [lass of Cattio 0? Draw Osing and tewis stwitureStereochemistry and pKa Ivermectin is an antibacterial and antiparascitic natural product that is produced by fermentation cultures of the bacteria Streptomyces avermectilis. It is an inexpensive and well-tolerated treatment for river blindness in humans caused by the parasitic nematode Onchocerce volvulus. It is also an excellent horse dewormer. There is no scientific evidence that is has any effect on SARS-COV2. Please examine the chemical structure carefully and answer the questions that follow. In the circles please assign (E) or (Z) configuration to the double bonds indicated with an arrow. In the boxes please assign the absolute configuration i.e. (R) or (S) to the stereogenic centers indicated with an arrow. In the triangle please provide an approximate value for the pKa of the protons indicated with an arrow. Meo HO O MeO НО HOAcid-catalyzed hydrolysis of a nitrile to give a carboxylic acid occurs by initial protonation of the nitrogen atom, followed by nucleophilic addition of water. Review the mechanism of base-catalyzed nitrile hydrolysis in Section 20-7 and then predict the products for each reaction below and write all of the steps involved in the acid-catalyzed reaction, using curved arrows to represent electron flow in each step.
- CHM 121 DIHyJrolysis of a Compound B Crormuls CH6cla) wss Caried ut ly reftuxing coth excess Potassium hydrosede Solution the resulting Solution wss acıdıfied wrth dilute nitrc acid and excess Siluer nitrate added to precipitefe the Chlonde as Siluer Cloloride O.7189 of Siluer Ch loride was Farmed rom 0.80590F B- 9 Calculafe the number Of Chlurine atoms Present in esch molecele OF B Cohich are libersfed loy byloysıs (ungp-nitroaniline (2max : 375 nm) absorbs at a longer than Phitrobenzene (c) Explain why wavelength (hmax : 260 nm). (ij Write a short note on absorption. spectra complexes of charge transferStereochemistry and pKa, ivermectin is an antibacterial and antiparascitic
- and , respectIvtry b) +2, 0 a) +3, -1 c) +2, -2 Q14: salenH2 ligand prepared by a) condensation of salicylaldehyde (1 equiv.) and ethylenediamine (1 equiv.) D) condensation of salicylaldehyde (1 equiv.) and ethylenediamine (2 equiv.) C) condensation of salicylaldehyde (2 equiv.) and ethylenediamine (1 equiv.) d) condensation of salicylic acid (2 equiv.) and ethylenediamine (1 equiv.) e) none of them following proced19.5 Predict the products. ~。 HN. H+ cat.Please help with calulation of theoretical yield of the following: Na2CO3 + Ca(NO3)2.4H2O ---> CaCo3 + 2NaNo3 + 4H2O 2.03g Na2CO3 2.06g Ca(NO3)2.4H2O