EBK ORGANIC CHEMISTRY-PRINT COMPANION (
4th Edition
ISBN: 9781119776741
Author: Klein
Publisher: WILEY CONS
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One of the constituents of turpentine is a-pinene, formula C10H16. The following scheme gives some reactions of a-pinene. Determine the
structure of a-pinene and of the reaction products A through E.
C
C10H1302
C10H 16B12
Br2
CCL4
H30*
D
PHCO3H
Br2
C10H 16
a pinene
C10H180
C10H17OB1
B
H20
03
(CH3)2S
HSO4
heat
CHO
C10H 15B1
E
CH
Question 9 of 9
Choose the best set of conditions for a Friedel-Crafts acylation of aromatic
compounds.
A) CH;C(O)CI, AICI3
B) CH3C(O)CI
C) CH;C(O)CI, NaCI
D) CH3C(O)CI, Cl2, H2O
Proteases are enzymes that can break covalent bonds in proteins. Proteases play major roles in the regulation of biological processes,
so compounds that inhibit their function, called protease inhibitors, have potential as therapeutic agents. While preparing several
potential protease inhibitors, compound 1 was converted into compound 3 via alkyne 2, as shown. (J. Org. Chem. 1989, 54, 3963-
3972) Draw the structure of alkyne 2, and propose reagents for converting 1 into 3.
Step 1
Br
Br
Ph
alle
Br
Br
Edit Drawing
OH
Modify the given structure of 1 to draw alkyne 2. An eraser is available, and you can use the single bond tool to add/remove pi
bonds.
OH
2
Ph
O
ell (-10)
Ph =
3
OH
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- 1. The sex attractant for the common housefly is a hydrocarbon with the molecular formula C23H46. On treatment with KMNO4, two products are formed: CH3(CH2)2CH(CH(CH3)2)- (CH2)6CO2H and (CH3)3C-(CH2)4-CO2H. Propose TWO structures for this sex attractant.arrow_forwardWhich of the following are consistent with the requirements for aromaticity?I. A system with delocalized p electrons in a ring.II. 4n p electrons in the ring.III. All the ring atoms must be carbons.IV. (4n + 2) p electrons in the ring. Give the answer why.arrow_forward10. MM and NN are amines with molecular formula, C3H9N. Reaction of MM with sodium nitrite and HCl releases nitrogen gas and produces a mixture of XX and YY, while NN produces yellowish oily compound ZZ when reacts with the same reagent. Gives the structures of MM, NN, XX, YY and ZZ. Outline a synthesis of MM from a suitable alkene.arrow_forward
- (10pts) Compound A, C10H16, was found to be optically active. On catalytic reduction over a palladium catalyst, 2 equivalents of hydrogen were absorbed, yielding compound B, CioH2o. On ozonolysis of A, two fragments were obtained. One fragment was identified as acetic acid (CHCOOH). The other fragment, compound C, was an optically active carboxylic acid, C8H14O2. Write reactions, and draw the correct structures for A-C, explain your answer in detail.arrow_forward(1) (11) (111) (b)Give products and mechanisms for the following reactions. OH CH₂SO над сам _N_N_ но HO Barrow_forward5) Limonene is a compound found in orange oil and lemon oil with molecular formula C₁0H16- When limonene is treated with 1 equivalent of mCPBA, the product is limonene oxide as depicted below. When limonene is treated with excess ozone (03) and then with dimethylsulfide (Me₂S), one of the organic products of the reaction is formaldehyde. Of the structures below, which correspond to the structure of limonene and/or the structure of the other major organic product when limonene is reacted with O3 and Me₂S? Please select any and all that apply. A) 'Н H B) ? H 1) 03 (XS) 2) Me₂S (xs) ? limonene, C10H16 D) mCPBA (1 equiv) E) limonene oxide None of the abovearrow_forward
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