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What is the formally correct notation of t-Bu, i-Pr, p-NO2, n-Bu, a-HCl . . . isopropyl: iPr isobutyl: iBu sec -butyl: s -Bu tert -butyl: t -Bu However, the recommends different abbreviations: isopropyl: i -Pr isobutyl: i -Bu sec -butyl: sec -Bu tert -butyl: t -Bu Furthermore, authors may create their own abbreviations, but any abbreviations not included in the recommendations shall be defined clearly when they are used
What is the meaning of n-Pr and i-Pr? - Chemistry Stack Exchange Apologies in advance, I have a background in physics, so this question might seem awfully simple Anyway, I am interested in the chiral spin selectivity effect in organic molecules, and have read a
Is the i prefix for iso- italicised? - Chemistry Stack Exchange See in particular Table II on page 406, which gives the following forms: iPr, iBu, s -Bu, and t -Bu (which is in line with the Blue Book) It says that if you choose these abbreviations, then explicitly defining them is unnecessary
organic chemistry - Newman projections: how to tell which groups are . . . Well, I think your book is wrong Read the extract: tert tert tert I guess what you're looking for are A-values The higher the A-value, the more "bulky" the group is considered So, the $\ce {-SH}$, $\ce {-Cl}$ and $\ce {-Br}$ groups seem to be less hindering than the $\ce {-iPr}$ group References: A-value, Wikipedia
Why do larger alkyl groups show a greater inductive (+I) effect? I have been taught that an alkyl group shows a +I (positive inductive) effect Why do they do so? I know that hyperconjugation can explain how alkyl groups could stabilize a carbocation (better tha
organic chemistry - Relationship between thermodynamics and steric . . . I am investigating reactions with alkyl-substituted amines ($\ce {R} = \ce {Me}, \ce {Et}, \ce {^iPr}, \ce {^tBu}$) and a second reagent, in which product Z is formed $\Delta G$ for all of these transformations is negative
Minneapolis, Minnesota (MN) profile: population, maps, real estate . . . Minneapolis, Minnesota detailed profileMean prices in 2023: all housing units: $414,132; detached houses: $424,097; townhouses or other attached units: $379,000; in 2-unit structures: $380,867; in 3-to-4-unit structures: $326,506; in 5-or-more-unit structures: $402,951; mobile homes: $50,848 Median gross rent in 2023: $1,343 December 2024 cost of living index in Minneapolis: 115 1 (more than