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14420-75-8More Spectrum > rel-(1R*)-1β*,2α*-Dibromo-1,2-dihydrobenzocyclobutene(14420-75-8)1HNMR
rel-(1R*)-1β*,2α*-Dibromo-1,2-dihydrobenzocyclobutene
Product Name rel-(1R*)-1β*,2α*-Dibromo-1,2-dihydrobenzocyclobutene
CAS14420-75-8
MFC8H6Br2
MW261.94
parameter in CDCl3
-
1H NMR 300 MHz C8 H6 Br2 ca 10-20 wt% in CDCl3 trans-1,2-dibromo-1,2-dihydrobenzocyclobutene 
Parameter ppm Hz
D(A) 7.348 D(B) 7.140 J(A,A') 1.05 J(A,B) 7.51 J(A,B') 0.87 J(A',B) 0.87 J(A',B') 7.51 J(B,B') 7.71 D(C) 5.410 COOPER,M.A. & MANATT,S.L. J.AM.CHEM.SOC. 92, 1605 (1970) FRAENKEL,G. ET AL. TETRAHEDRON 20, 1179 (1964)
Hz ppm Int.2214.50 7.382 12 2212.60 7.375 18 2208.84 7.363 219 2205.87 7.353 206 2203.44 7.345 184 2200.46 7.335 283 2196.59 7.322 28 2194.89 7.316 21 2151.54 7.172 21 2149.84 7.166 28 2145.98 7.153 281 2143.01 7.143 188 2140.54 7.135 204 2137.59 7.125 220 2133.84 7.113 18 2131.91 7.106 12 1623.01 5.410 1000
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