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- vantherine is a polycyclic alkyloid obtained from the shrub Poranthera corymbosa. In 1974, the molecule was thesized by famed Organic Chemist EJ. Corey and the first several steps are shown below. Elias James "EJ." Corey is American-Lebanese organic chemist. In 1990, he won the Nobel Prize in Chemistry "for his development of the theory and methodology of organic synthesis", specifically retrosynthetic analysis." Co JAm Chem Soc 1874 E 6516-4517 но OH Mg H* (Cat) 1. H OEI 2. H,0 H.H CHs PCC он (excess) H* (Ca 1. MgBr 2. H,0 CH H,O", H;0 (excess), pH adjust pH =4-5 warm enamine formed PorantherineREACTIONS OF HYDROCARBONS Professor has assigned the analysis of unknown hydrocarbon samples to Eoteng Mabutiogting based on their reaction profile. The summary of the observed reactions are tabulated below along with the possible structures of the samples. Identify each unknown sample by matching the respective reactionprofle with the given structures. Name each structures then briefly explain the reason for your answer. Sample Brz in CCl. (dark) Brz in CCl. (light) KMNO4 in NaOH AGNO. in NH: Fading of reddish- Fading of reddish- Brown precipitates Silver precipitates brown color brown color No reaction Fading of reddish- No reaction No reaction 2 brown color Fading of reddish- Fading of reddish- Brown precipitates No reaction brown color brown color H3C. CH3 CH3 CH3 H;C H3C `CH3 H3C Sample Identity and Rationalization 1 23. Based on the definitions of the terms below select the best classification for the following reactive species below: nucleophile; electrophile; free radical; carbocation; carboanion, electron rich species, delocalized electrons (i) CH3-: …………………………………………(ii) Br ∙ : …………………………………………. (iii) H2O : …………………………………………. (iv) CN- : ………………………………………….(v) Cl+: …………………………………………….(vi) CH3CH2+: ……………………………………..(vii) CH3∙ : …………………………………………… (viii) CH2CH2 : …………………………………………..
- H8. Organic chemistry Text answers and (descriptive structures and / or reaction mechanisms). Explain the chemistry of the carbonyl group (direct addition of nucleophiles and addition with elimination)TROVIOW Topicaj (References) Draw the major organic product of the reaction shown below. HO, NANH2 You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Include cationic counter-ions, e.g., Na" in your answer, but draw them in their own sketcher. (Review Top Draw the major organic product of the reaction shown below. OH K2Cr207 H2SO4, H20 • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one.Chem 2425 Exam 3 Spring 2021 - Word Tram HoangLuuYen O Tell me what you want to do A Share File Home Insert Design Layout References Mailings Review View Help 1... ...Y. 1.. . . 2... :.. 3 . .. . . 4. . : 5 ..I .. 6. . 7.. Give the major organic product(s) of each of the following reactions or sequences of reactions. Show all relevant stereochemistry. 1. LIAIH4, ether 2. H20 NaN3 Br 7. KCN H3C N=N HSO, CUCN 10. 1. HNO,, H2SO4 O,N - NH2 2. он 11. 17. Rank the following monomers in order of increasing reactivity toward cationic polymerization (least reactive to most reactive). II III IV Page 1 of 8 483 words English (United States) 120% 10:41 PM P Type here to search O G 4) ENG 559 5/11/2021
- In the reactions given below, write to which organic molecule Y, Z, T, A ‘belongs, and give information about the reaction types that take place.Draw the arrows on the structures in the first two boxes to show the mechanism of a-halogenation under basic conditions. All necessary atoms and formal charges are drawn on the structures. See Periodic Table O See Hint H. H. :Br: :Br: 一 Add curved arrow notation to show the reaction between the two compounds. H C P. H. CI H-O: H' :Br: Br :ロcmplete the reacting by adding necessrt reagents. write in thapce provided. make sure to write regents in chemical formula . n separate regents with comma & space (ex. h2so6, h202)
- What is the Iupac name answers of all those questions from (d) till (h)???can you explain your drawings in the reaction scheme and on the answers too?Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. **Y...= Select to Add Arrows HCI :CI:O Select to Add Arrows Hội H 19: Draw the product of the reaction shown below. Ignore inorganic byproducts. SH NaH, PhCH₂Cl DMSO Problem 35 of 20 Q Please select a drawing or reagent from the question area Problem 35 of 20 Please select a drawing or reagent from the question area Problem 42 of 20 Submit Atoms, Bonds and Rings Draw or tap a new bond to see suggestions. Charges Submit Undo Remove Reset Done Submit Drag To Pan