5_46_l03 - Putting the pieces together Image courtesy of...

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Putting the pieces together Image courtesy of Weston Boyd and Minh Nguy n
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Chemical Shifts • Depend on electronegativity of neighbors
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1 H 1-D
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13 C 1-D
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Chemical Shifts • Depend on electronegativity of neighbors • Depend on axial versus equatorial position
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1 H- 13 C HMQC
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Chemical Shifts • Depend on electronegativity of neighbors • Depend on axial versus equatorial position • Despite overlap, they can be read more accurately if we understand the couplings
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1 H 1-D
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Chemical Shifts • Depend on electronegativity of neighbors • Depend on axial versus equatorial position • Despite overlap, they can be read more accurately if we understand the couplings • Can be read accurately using gCOSY
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1 H- 1 H gCOSY
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gCOSY cross peaks vary as a function of the J-coupling
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2 J Karplus relationship
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3 J Karplus relationship
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1 H- 1 H
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5_46_l03 - Putting the pieces together Image courtesy of...

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