Hi Paolo,

Thanks.


But why this returns True?


m=Chem.MolFromSmiles('C1=CC=C(C=C1C(C2=CC(=CC=C2)C)=O)C')
s=Chem.MolFromSmarts('c1ccccc1-[#6](-c2ccccc2)=[#8]')
m.HasSubstructMatch(s)


Output: True


m

[cid:16500942-5959-47e6-8070-0bac4bcc0230]



Best regards,


Xiaobo Li


________________________________
From: Paolo Tosco <[email protected]>
Sent: 19 February 2019 23:15
To: Li, Xiaobo [xiaoboli]
Subject: Re: [Rdkit-discuss] Why this doesn't work? HasStructMatch function


Hi Xiaobo,


it will work if you use as SMARTS query one of the following expressions, not 
if you specify an explicit single bond, as those two bonds are aromatic in 
molecule m:


s=Chem.MolFromSmarts('c1ccccc1[#6](c2ccccc2)=[#8]')
s=Chem.MolFromSmarts('c1ccccc1~[#6](~c2ccccc2)=[#8]')
s=Chem.MolFromSmarts('c1ccccc1:[#6](:c2ccccc2)=[#8]')



Cheers,
p.

On 02/19/19 22:41, Li, Xiaobo [xiaoboli] wrote:

Dear all,


Why the output is False?


m=Chem.MolFromSmiles('CN(C(C=CC=C1)=C1C2=O)C3=C2C=CC=C3')
s=Chem.MolFromSmarts('c1ccccc1-[#6](-c2ccccc2)=[#8]')
m.HasSubstructMatch(s)

Output: False


m


[cid:[email protected]]


s

[cid:[email protected]]


Best regards,

Xiaobo Li





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