- ring is
constructed on a molecule.
Examples are the
Robinson annulation,
Danheiser annulation and
certain cycloadditions.
Annular molecules are constructed...
-
cortisone is
completed through the use of the
Robinson annulation. The
initial paper on the
Robinson annulation was
published by
William Rapson and
Robert Robinson...
- The
Danheiser annulation or
Danheiser TMS-cyclopentene
annulation is an
organic reaction of an α,β-unsaturated
ketone and a
trialkylsilylallene (e.g....
-
Annulment is a
legal procedure within secular and
religious legal systems for
declaring a
marriage null and void.
Unlike divorce, it is
usually retroactive...
- many
substituents already in place. A
common synthetic annulation reaction is the
Robinson annulation. It is a
useful reactions for
forming six-membered rings...
- 1960
Iranian legislative election 1962
Argentine legislative election (
annulled by a coup 10 days later) 1962
Peruvian general election (won by Víctor...
- In the
Catholic Church, a
declaration of nullity,
commonly called an
annulment and less
commonly a
decree of nullity, and in some cases, a
Catholic divorce...
-
Nevada (/nəˈvædə, -vɑː-/ nə-VAD-ə, -VAH-, Spanish: [neˈβaða]) is a
landlocked state in the
Western region of the
United States. It
borders Oregon to the...
-
producing a one-pot
enantioselective version of the
Robinson annulation. The
Robinson annulation,
published by
Robert Robinson in 1935, is a base-catalyzed...
-
Heteronomous annulation is a
characteristic of some arthropods. It
means that
segments are
differentiated from one another, each
having different form...
