Aug 29, 2023 21:24
9 mos ago
41 viewers *
English term
Türkiye
"O,O-" and "S-" and "-1H-"
English
Science
Chemistry; Chem Sci/Eng
Would you please clarify the meaning of "O,O-" and "S-" and "-1H-"?
Please see text below
Phosphorodithioic acid, mixed O,O-bis(2-ethylhexyl and iso-Bu and iso-Pr) S-[3a,4,5,6,7,7a-hexahydro-4,7-methano-1H-inden-5(or 6)-yl] esters
Many thanks!
Please see text below
Phosphorodithioic acid, mixed O,O-bis(2-ethylhexyl and iso-Bu and iso-Pr) S-[3a,4,5,6,7,7a-hexahydro-4,7-methano-1H-inden-5(or 6)-yl] esters
Many thanks!
Change log
Aug 30, 2023 11:39: writeaway changed "Field" from "Law/Patents" to "Science"
Responses
+1
12 hrs
Neil Ashby
Spain
Spain
Native in English
&
English
Specializes in field
Spain
DrNeil TechTrans, Precision & Clarity
Native in: English
Works in: Spanish to English, English
O = ortho; S- = S enantiomer, ("Sinister" → Latin= "left"); 1H is the position of the H atom on
O = ortho; S- = S enantiomer, ("Sinister" → Latin= "left" (direction of rotation of light at a given stereocentre); 1H is the position of the H atom on carbon atom number 1.
Good luck!
Good luck!
-1
1 day 13 hrs
O,O- and S- are locants / 1H refers to indicated hydrogen
O,O- and S- are locants.
These locants designate the sulfur and oxygen atoms to which the ester groups are linked in phosphorodithioic acid.
References:
https://www.acdlabs.com/iupac/nomenclature/79/r79_578.htm
https://de.wikipedia.org/wiki/Lokant (Kursiv gesetzte lateinische Großbuchstaben part)
1H refers to indicated hydrogen.
References:
https://iupac.qmul.ac.uk/BlueBook/P1.html#1407
https://iupac.qmul.ac.uk/hetero/HW2t5.html#16
https://www.acdlabs.com/iupac/nomenclature/93/r93_176.htm
These locants designate the sulfur and oxygen atoms to which the ester groups are linked in phosphorodithioic acid.
References:
https://www.acdlabs.com/iupac/nomenclature/79/r79_578.htm
https://de.wikipedia.org/wiki/Lokant (Kursiv gesetzte lateinische Großbuchstaben part)
1H refers to indicated hydrogen.
References:
https://iupac.qmul.ac.uk/BlueBook/P1.html#1407
https://iupac.qmul.ac.uk/hetero/HW2t5.html#16
https://www.acdlabs.com/iupac/nomenclature/93/r93_176.htm
Peer comment(s):
| disagree |
Neil Ashby
: Locants? Locants are numbers or Greek letters (https://en.wikipedia.org/wiki/Locant). S marks a chiral centre and its direction of rotation (definitely not a locant). What is the "indicated hydrogen" - that doesn't mean anything at all.
2 days 22 hrs
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There are many types of locants (https://iupac.qmul.ac.uk/BlueBook/P1.html#1403) - For O,O- and S-, see https://www.acdlabs.com/iupac/nomenclature/93/r93_74.htm (R-0.1.6.2) + Kursiv gesetzte lateinische Großbuchstaben - For 1H, see IUPAC def. in response.
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