-
materials have been used to
effect either asymmetric induction or
simple diastereoselection (1)
After carbanion formation, the [2,3]-Wittig
rearrangement is rapid...
- (2001). "Solid-State
Isomerization of Atropodiastereomers:
Effective Diastereoselection through Polymorphic Transformations".
Angewandte Chemie International...
-
stabilized by the
orientation of the ene and enophile. In
terms of the
diastereoselection with
respect to the
newly created chiral centers, an endo preference...
- been emplo**** on
either the
imino nitrogen or
imino carbon to
effect diastereoselection. In the
enantioselective Diels–Alder
reaction of an aniline, formaldehyde...
- Unfortunately,
these two
forces often cancel each other,
causing poor
diastereoselection in 1,3-dipolar cycloaddition.
Examples of substrate-controlled diastereoselective...
- Flippin, Lee A. (1
January 1984). "Acyclic stereoselection. 27.
Simple diastereoselection in the
lewis acid
mediated reactions of
enolsilanes with aldehydes"...
-
reactions as
addition of
enolates to
aldehydes (e.g., in
study of
diastereoselection in
particular aldol reactions). In
applying both
angles of the nucleophile...
- The use of
chiral electrophiles is
common and can
provide "double
diastereoselection" if the
stannane is also chiral.
Chelation control using Lewis acids...
-
interactions have been
postulated as the
source of
enhanced endo
diastereoselection. Usually, CLAs are emplo**** to
activate the dienophile. A typical...