Alkyne Reactions Flashcards by Laura Matthews

Q

HBr

A

2 Br on more, leaves alkane, Planar

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Q

DSB/ 2. H2O2, OH-, H2O, Terminal

A

C-O double bond on the end, leaves alkane

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Q

DSB/ 2, H2O2, OH-, H2O, Internal

A

C-O double bond in the middle, leaves alkane

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Q

H2O/ HgSO4, H2SO4

A

C-O double bond in the middle, leaves alkane

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Q

Cl2/ CCl4

A

Cl on more, Cl on less, leaves alkene, Anti

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Q

H2/Pt

A

H on more, H on less, leaves alkane

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Q

Li/NH3

A

H on more, H on less, leaves alkene

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Q

Lindler’s Catalyst

A

H on more, H on less, leaves alkene, z if internal

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Q

NBS

A

Replaces most stable H with Br, Planar

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Q

Mg/Et (Grignard reagent)

A

Mg in between halogen and Carbon

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Q

2Li/pentane (Organolithium)

A

replaces halogen with Li, gives you LiBr

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Q

2(?)CuLi (Gilman reagent)

A

replaces halogen with (?)

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Q

Br2/Heat

A

replaces most stable H with Br, rearranges

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