how to introduce a triple bond …
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Posted by Ankit Yadav 7 years, 5 months ago
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Ashwin S 7 years, 4 months ago
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Yakshith K 7 years, 4 months ago
1. Dehydrohalogenation of vicinal or geminal dihalides: A vicinal di halide such as 1,2 dichloroethane when treated with sodamide(NaNH2) yields Ethyne.
2.Dehalogenations of tetrahaloalkanes.
3.From Calcium Carbide:Higher homologues can be prepared by nucleophilic displacement by acetylide anion. Secondary halodes gives poor yield while tertiary halides cannot be used.
4.By heating Iodoform with silver:
2CHI3+6AgC2H2+6Ag
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