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Organic Chemistry

Cool goIITian

Joined:	13 Oct 2007
Post:	75

14 Oct 2007 07:41:43 IST

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427

degradation reactionof alkene

None

conversion from but2yne to propyne by sodamide & chloromethane mechanism

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arun-rashi

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Joined: 19 Oct 2006

Posts: 1057

14 Oct 2007 14:11:00 IST

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i think your question is to convert propyne into 2-butyne which is as follows reactions Propyne +NaNH2

CH3CCNa this reacts with CH3Cl to form 2-butyne.if your question is to convert 2-butyne into propyne than first oxidise it ,decreases the carbon and again increases the carbon by same method.

arun-rashi

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Joined: 19 Oct 2006

Posts: 1057

14 Oct 2007 14:12:37 IST

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other method to convert lower alkynes into higher alkynes by 1.RMgX 2.RX

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