March 27, 2025, 11:46:50 PM
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Topic: Naming and Numbering Zaleplon  (Read 111 times)

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Offline batuhan

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Naming and Numbering Zaleplon
« on: March 21, 2025, 09:59:07 AM »
so i have question about numbering fused ring why did we start with A on intersecting wall instead of B. Wouldnt it be more accurate to start lettering from the Nitrogen at the top
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Offline Hunter2

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Re: Naming and Numbering Zaleplon
« Reply #1 on: March 21, 2025, 11:00:00 AM »
IUPAC Name is

N-[3-(3-cyanopyrazolo[1,5-a]pyrimidin-7-yl)phenyl]-N-ethylacetamide
The numbering at a gives lower number, because N-N is the shortest.
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