Rings Plus Double Bonds Equivalent
For CcHhNnOo the degree of unsaturation is c - h/2 + n/2 + 1, counting halogens as hydrogen and ignoring divalent oxygen and sulfur. Each unit is one ring or one pi bond, so the value bounds how aromatic or cyclic a candidate structure can be.
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For CcHhNnOo the degree of unsaturation is c - h/2 + n/2 + 1, counting halogens as hydrogen and ignoring divalent oxygen and sulfur. Each unit is one ring or one pi bond, so the value bounds how aromatic or cyclic a candidate structure can be.
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