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Unformatted text preview: Ç½ CÅ2C½¾ hV C½¾Æ Æ Br C½2C½¾ Bromination has a strong preference for abstract±Èg hydrogenÉ (Like 3°) that give stable rad±cal intermed±atesµ hV (or ÊB¼) Bromine atom wiLl abstract the hydrogeÈ giving the most stable radical; in this caseË the radical intermediate will be stabilized by resonance with the benzeÈe Ìing. Br (d) C hV ± + the second strUctUre from an allylic shift is IdentiCaL to the first strUctureÍOnly one coMpoUnd is prodUced (or NB¼) Br BromiÈe atom will abstract the hyDrogen giving the most Îtable radicalÏ iÁ this caseË the radical intermedÐate will be stabilized by resonance with the benzene ring. 6Ñ 1 1 (a) s¶bstitutionÃBr ±s replaced (b) eL±Ò±nationÃ½ and ÓÔ are lost ÕcÖ e×´m´nØÙ´ÚÛÃbÚÙ¹ Ür aÙÝms are ÞÚSt 6Ñ 1ß (a) C½¾(C½à)4C½2 á ÓC½2C½â (b) CÅ¾(C½2)4C½2 ã äÊ 101...
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This note was uploaded on 02/27/2010 for the course CHEM 140 taught by Professor Wade during the Spring '10 term at Whitman.
- Spring '10