On 2012-12-08 17:42, Noel O'Boyle wrote:
> Beg pardon, mea culpa and I tell a lie. It should have been:
>
> C:\Users\Noel>obabel -:c1(Br)cc(Br)ccc1 -ofpt -xf fp4 -xs
>>
> Arylbromide     Aromatic
> 1 molecule converted
>

Great, I can reproduce that.
Is there a simple way of getting this functionality from the source 
code? I don't see any member functions in OBMol that could provide this?


> On 8 December 2012 16:41, Noel O'Boyle <baoille...@gmail.com> wrote:
>> If you can describe the substructures by a SMARTS string, it's fairly
>> easy by customising FP4. Here's the output of FP4 for the arylbromide:
>>
>> C:\Users\Noel>obabel -:c1(Br)ccc(Br)c1 -ofpt -xf fp4 -xs
>>>
>> Secondary_carbon        Alkylbromide
>> 1 molecule converted
>>
>> How to customise?...
>>
>> C:\Users\Noel>obabel -L fp4
>> One of the fingerprints
>> fp4    SMARTS patterns specified in the file SMARTS_InteLigand.txt
>> PatternFP is definable
>>
>> ...edit SMARTS_InteLigand.txt or copy it to your current directory and
>> edit it then.
>>
>> - Noel
>>
>> On 8 December 2012 13:51, David van der Spoel <sp...@xray.bmc.uu.se> wrote:
>>> Hi,
>>>
>>> is it possible with openbabel to classify a molecule based on substructures?
>>>
>>> E.g.:
>>>
>>> 110-dichlorodecane.sdf
>>> alkyl chloride
>>>
>>> 11122334455666-tetradecafluorohexane.sdf
>>> alkyl fluoride
>>>
>>> 111-trimethoxyethane.sdf
>>> orthocarboxylic acid derivative
>>> orthoester
>>>
>>> 13-dibromobenzene.sdf
>>> aryl bromide
>>> aromatic compound
>>>
>>>
>>> --
>>> David van der Spoel, Ph.D., Professor of Biology
>>> Dept. of Cell & Molec. Biol., Uppsala University.
>>> Box 596, 75124 Uppsala, Sweden. Phone:  +46184714205.
>>> sp...@xray.bmc.uu.se    http://folding.bmc.uu.se
>>>
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-- 
David van der Spoel, Ph.D., Professor of Biology
Dept. of Cell & Molec. Biol., Uppsala University.
Box 596, 75124 Uppsala, Sweden. Phone:  +46184714205.
sp...@xray.bmc.uu.se    http://folding.bmc.uu.se

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