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Exam 23: Amines

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Question 31

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Predict the major product when pyridine is treated with a mixture of nitric acid and sulfuric acid.

A) 3-nitropyridine
B) 2-nitropyridine
C) 4-nitropyridine
D) 2,3-dinitropyridine
E) 4-aminopyridine

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Question 32

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A compound with molecular formula C₇H₁₇N exhibits a triplet at $\delta$ 1.0 (I=3),a doublet at $\delta$ 1.1 (I=6),a multiplet at $\delta$ 2.0 (I=1),a singlet at $\delta$ 2.3 (I=3),a doublet at $\delta$ 2.3 (I=2),and a quartet at $\delta$ 2.4 (I=2)in its ¹HNMR spectrum.Its ¹³CNMR spectrum showed peaks at $\delta$ 13.4,20,27.9,39.3,49.5 and 65.2.What is the structure for this compound?

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Question 33

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Pyridoxamine,aka vitamin B₆ has the following structure.Which nitrogen is more basic? Explain your choice.

Predict the product for the following reaction.

What is the IUPAC name for the following compound?

What is the IUPAC name for the following compound?

Provide the reagents necessary to carry out the following conversion.

What is the IUPAC name for the following compound?

Provide the reagents necessary to carry out the following conversion.

Predict the product for the following reaction and provide a stepwise curved arrow mechanism for the formation of the product.

Predict the major product for the following reaction.

What is the IUPAC name for the following compound?

What is the structure for 3-chloro-N-ethylpentanamine?

Predict the product for the following reaction.

Provide the structures of the products in the following reaction sequence.

Provide the reagents necessary to carry out the following conversion.

Provide a stepwise synthesis of 3-amino-2-methylpentane using the Gabriel synthesis.

Predict the product for the following reaction.

Predict the major product for the following reaction.

A compound with molecular formula C₄H₁₁N exhibits a triplet at $\delta$ 0.9 (I=3),a doublet at $\delta$ 1.1 (I=3),a quintet at $\delta$ 1.4 (I=2),a singlet at $\delta$ 1.7 (I=2)and a sextet at $\delta$ 2.8 (I=2)in its ¹HNMR spectrum.Its IR spectrum shows two medium absorption bands near 3400 cm^-1.What is the structure for this compound?