OK, so I am reading Chapter 9 now to see the gory details. I didn't know
about the root-distance check, and so now
1-(bicyclo[2.2.2]octan-1-yl)-1-[1,5-dicyclopropyl-3(2-cyclo
propylethyl)-pentan-3-yl]methan-1-ol.mol
is working. So all of this is easy enough. That's probably it for
independent stereochemistry. Where there is a dependency of one
stereochemical determination from another -- R/S after E/Z; E/Z after R/S,
E/Z after E/Z, R/S after R/S -- obviously that takes some sort of more
general iteration.
I think I will have to tackle that another day.
Bob
On Sun, Apr 9, 2017 at 11:03 AM, John Mayfield <john.wilkinson...@gmail.com>
wrote:
> Good good,
>
> Fake news before fake news - a paper published in the CCG journal by the
> CCG.
>
> John
>
> On 9 April 2017 at 16:51, Robert Hanson <hans...@stolaf.edu> wrote:
>
>> No, John. Don't worry. I just happened to look at that page prior to
>> designing my own.
>>
>> On Sun, Apr 9, 2017 at 10:44 AM, John Mayfield <
>> john.wilkinson...@gmail.com> wrote:
>>
>>> Hi Bob,
>>>
>>> On 9 April 2017 at 13:42, Robert Hanson <hans...@stolaf.edu> wrote:
>>>
>>>> [I actually do know it is Cahn; pulled "Cohen" without thinking from
>>>> https://www.chemcomp.com/journal/chiral.htm. Serves me right. Duh!]
>>>>
>>>
>>> Was that the algorithm you implemented because it's not correct - it
>>> doesn't (and can't) handle ghost atoms. Trying to track down the example
>>> but Daniel Lowe constructed a small reproducible example to demonstrate why
>>> this can never work.
>>>
>>> John
>>>
>>>
>>> ------------------------------------------------------------
>>> ------------------
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>>>
>>
>>
>> --
>> Robert M. Hanson
>> Larson-Anderson Professor of Chemistry
>> St. Olaf College
>> Northfield, MN
>> http://www.stolaf.edu/people/hansonr
>>
>>
>> If nature does not answer first what we want,
>> it is better to take what answer we get.
>>
>> -- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
>>
>>
>
--
Robert M. Hanson
Larson-Anderson Professor of Chemistry
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr
If nature does not answer first what we want,
it is better to take what answer we get.
-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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