Chapter 9 Flashcards

1
Q

NH3 + Na

A

alkyne to trans alkene

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2
Q

Acetylene SN2

A

NaNH2 - to make acetylide ion

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3
Q

Producing cis Alkenes from Alkynes

A

Lindlars catalyst

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4
Q

Producing trans Alkenes from Alkynes

A

Na/NH3

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5
Q

Acetylide ion + ketone

A

Alkoxide ion

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6
Q

Hydroboration/oxidation of Alkynes

A

Forms OH on the less substituted Carbon

  1. Sia2BH-THF
  2. H2O2, -OH

create ketones

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7
Q

What is needed for Hydroboration of Alkyne?

A

Sia2BH

H2O2

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8
Q

Oxydation of VinylBorane

A

H2O2, NaOH

then OH-

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9
Q

Hydration of alkynes to ketones and aldehydes - what does it use?

A

HgSO4

and
H2SO4

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10
Q

•Hydration of alkynes to ketones and aldehydes reaction

A

HgSO4

H2SO4

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11
Q

How to make terminal Alkyne from a 2-dihalogen

A

NH2

150 degrees

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12
Q

How to make an internal Alykne from a 2-dibromo?

A

KOH

200 degrees

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