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damac
Probably a bot.
Joined: 02 Mar 2005
Posts: 1
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 Posted: Wed Mar 02, 2005 11:53 pm Post subject: converting 1-bromobutane |
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Hi all i have a couple things i have to convert 1-bromobutane to
3. 1-butyne
does this look correct?
CH3CH2CH2CH2Br + NaC2CH --> CH3CH2C(triple bond)CH
4. CH3CH2CH2CH2CN
I think that i have found what was wrong with it
CH3CH2CH2Br + NaCN --> CH3CH2CH2CH2CN + NaBr
5. CH3CH2CH2CH2-O-C(=O)CH3
need help
Last edited by damac on Thu Mar 03, 2005 9:10 pm; edited 1 time in total |
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RobJim
Senior Member
Joined: 13 Feb 2005
Posts: 320
Location: Los Angeles, CA
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| Posted: Thu Mar 03, 2005 9:03 am Post subject: |
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Sorry it's taken me so long to get back to you.
Hmm. Looks like you've removed 1. and 2.
3. 1-butyne
CH3CH2CH2CH2Br => {(CH3)3COH, (CH3)3COK} =>CH3CH2CH=CH2
CH3CH2CH=CH2 => {Br2} => CH3CH2CHBrCH2Br
CH3CH2CHBrCH2Br => {NaNH2, NH3} => CH3CH2C(bondx3)C(-)Na(+)
CH3CH2C(bondx3)C(-)Na(+) => {H2O} => CH3CH2C(bondx3)CH
I'm not sure what you mean by "NaC2CH".
4. CH3CH2CH2CH2CN
You got this one for the most part. My textbook also says to use DMSO as the solvent and to heat the reaction to 140-150 degrees C.
5. CH3CH2CH2CH2-O-C(=O)CH3
CH3CH2CH2CH2Br + CH3C(=O)OH
I think that should work.
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