procie synthesis without using a gilman reagent = CH3 CH3 CH3 CH3 CH3
Using a Gilman reagent as the key step, outline a synthesis of the following compound from ethyne as the only source of carbon for the main 4-carbon chain and any needed inorganic reagents (the -CN comes from inorganic NaCN).
5. Give the reactions for the following synthesis using benzene and any inorganic reagent. OEt steps HO 6. Give the reactions for the following synthesis using and two carbon functional group and any inorganic reagent. (hint: use Wittig and Gilman reactions) steps ОН —
5. Give the reactions for the following synthesis using benzene and any inorganic reagent. t LOEt ot steps , ropo HOA steps / 6. Give the reactions for the following synthesis using and two carbon functional group and any inorganic reagent. (hint: use Wittig and Gilman reactions) LOH _ steps HO
Draw structural formulas for the B-unsaturated aldehyde or ketone and the lithium diorganocuprate (Gilman reagent) that could be used in a synthesis of the compound shown below. & . . You do not have to consider stereochemistry. In cases where there is more than one answer, just give one, If a structure has a copper-lithium bond, draw the lithium ion in a separate sketcher. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom...
Draw structural formulas for the α,β-unsaturated aldehyde or
ketone and the lithium diorganocuprate (Gilman reagent) that could
be used in a synthesis of the compound shown below.
Draw a structural formula for the major organic product of the
reaction shown below.
We were unable to transcribe this imageether H2O + Culi
synthesis of cyclic acetals
Target Product H₂C H2C CH3 click on a reagent to add it to the synthesis p (0.202 sec) Link Reload Reactants Reload Reagents Reload Pathway / Workspace Products Reactants CH3 0- нс о CH3 НО- он Н.С re.edugen.wiley.com/cgibin/tutorial/Reaction Tutorial Reactants он Н.С. -Сн, нс- нс 0 Н.С Сн. HS - HEC CH3 HS Reagents OH OS-OH O (catalyst) OH H₂O OSOH ! o (cold, dilute) H2 (excess) Pt or Pd or Ni Pathway (0.000 sec)
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Specify the reagent you would use in each step of the following synthesis: CH3 step 1 step 2 Reagents Available f. PBr3 a. LiAIHA b. H2SO4 c. HCI d. HBO e. SOCI2 g. pyridinium chlorochromate (PCC) h. NaH k. CH3CH2MgBr I. CHgMgBr (phenylmagnesium bromide) m. (CH3)2CHMgBr n. Cro3 1. NaOH j. CH3MgBr Write the letters of the reagents in the boxes below. Reagent for step 1 Reagent for step 2 Submit Answer Retry Entire Group No more group attempts...
IV. Synthesis Review Complete the following syntheses, using any organic or inorganic reagent necessary. Show all reactions conditions, and intermediate products ?? Br ?? CH CH3 CH2CH2OH
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Lithium diorganocopper (Gilman) reagents are prepared by treatment of an organolithium compound with copper(I) iodide. 2 R - Li + Cul ether rightarrow or THF R_2CuLi Decide what lithium diorganocopper (Gilman) reagent is needed to convert 1-broniopropane into heptane. Draw the structure of the organolithium compound that is used to prepare this Gilman reagent in the box below. You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. Draw carbon-lithium bonds using...
Specify the reagent you would use in each step of the following
synthesis:
Specify the reagent you would use in each step of the following synthesis: step 1 step 1, step 2 step 2 =cHCH3 Reagents Available a. LiAlH4 b. H2SO4 c. HCI f. PBr3 k. CH3CH MgBr g. Dess-Martin periodinane (DMP) I. CHgMgBr (phenylmagnesium bromide) h. NaH m. (CH3)2CHMgBr i, NaOH n. Cro3 j. CH3MgBr d. HBO e. SOCI2 Write the letters of the reagents in the boxes below....