Examlex
A knapsack problem is so named because the objective is to find the number of N items,each of which has a different weight and value,that can be placed in a knapsack with limited weight capacity so as to maximize the total value of the items placed in the knapsack.
Stereochemical Designator
Notations used to describe the spatial arrangement of atoms around a stereocenter or double bond in a molecule, such as (R)/(S) or (E)/(Z) configurations.
Methylbutene Structures
Refers to the structural variations of the hydrocarbon molecule butene, with one or more methyl groups attached to its chain.
Hydrogenation
The chemical reaction between molecular hydrogen (H2) and another compound or element, typically in the presence of a catalyst, resulting in the addition of hydrogen.
Bredt's Rule
A principle in organic chemistry stating that bridgehead carbon atoms cannot possess double bonds if the ring system is small due to excessive angle strain.
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