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3,6-dimethylimidazo[1,2-b]pyridazine
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Yingyao

Joined: 30 Sep 2004
Posts: 205

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Link to postPosted: Fri Feb 06, 2009 6:05 amPost subject: 3,6-dimethylimidazo[1,2-b]pyridazine Reply with quote

CC1=NN2C(C)=CN=C2C=C1  is translated into 3,6-dimethylimidazo[1,2-a]pyridazine, which is not recognized by ChemDraw.

ChemDraw translates the same structure into 3,6-dimethylimidazo[1,2-b]pyridazine.

ChemDraw seems to be correct based on:

http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TF9-4BVPRMS-4&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=42edf12e0253b301c1f6570cda43ae67

I am not familiar with IUPAC myself, so I cannot tell whether it's a bug or not.

Thanks.
Daniel
ChemAxon personnel
Joined: 20 Mar 2006
Posts: 494

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Link to postPosted: Fri Feb 06, 2009 5:53 pmPost subject: Looks like a bug Reply with quote

Dear Yingyao,




Thank you for your report. At first sight it does indeed look like a naming bug on our side. I will look into it and let you know when it is fixed.




Best Regards,




Daniel Bonniot
Yingyao

Joined: 30 Sep 2004
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Link to postPosted: Fri Mar 27, 2009 6:28 pmPost subject: Reply with quote

Hi, Dan

Do you have an estimation on when this will be fixed? We want to plan our next JChem upgrade. Thanks.
Daniel
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Link to postPosted: Fri Apr 03, 2009 5:44 amPost subject: Fixed Reply with quote

This issue has been fixed. The fix will be present in the 5.2.1 release, which should be available next week.

Thanks again for your precise report.
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