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Feb 21, 2023 at 13:45 comment added Buttonwood @Johanna Similar to an onion, starting from the central atom to check if it is a chiral one / a stereogenic centre (and if so, on can assign R, or S configuration), one works toward more remote "shells". User @user55119 compiled instructive answers; just two of them here, and here.
Feb 21, 2023 at 7:09 comment added Poutnik Groups R-COOH and R-CH2OH are not the same, even if both are attached to R via C atom. Or, do you think they are the same?
Feb 21, 2023 at 7:03 comment added Poutnik Exception: 2 same atoms means 2 same groups if the atom is the whole group.
Feb 21, 2023 at 7:01 comment added Johanna Okay, but why is the last carbon atom at the bottom NOT considered chiral then?
Feb 21, 2023 at 6:58 comment added Poutnik 2 same atoms does not mean 2 same atomic groups.
Feb 21, 2023 at 6:54 history asked Johanna CC BY-SA 4.0