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@poormanschemist
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15 Aug 2022 23:36:27 UTC
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Preparation and Storage of the Interhalogen Iodine Monobromide IBr
In this video I prepare the interhalogen compound iodine monobromide from equimolar amounts of elemental bromine (10 grams) and elemental iodine (15.88 grams). IBr is an interesting compound since the iodine bears a partial positive charge and the bromine a partial negative carge. IBr is used to cleave carbon-metal bonds to produce organic iodides and metal bromides. It is also used to convert alkenes into vicinal bromoiodides, effect the electrophilic cyclization of homoallylic carbonates, and alpha-bromination of steroidal aldehydes and ketones. IBr has also been used for brominating phenol and aryl ether derivatives. (Information taken from the Encyclopedia of Reagents for Organic Sythesis).

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