electron deficient वाक्य
उदाहरण वाक्य
मोबाइल
- Nitroethylene can initially react with a chiral vinyl ether, and then react in a [ 3 + 2 ] cycloaddition with an electron deficient alkene such as dimethyl fumarate.
- Work done by Bazan et al . found that addition of an electron deficient boron compound activated the phosphorus-oxygen chelated nickel catalyst to oligomerize ethylene into ?-butylene.
- Initial reaction constituents of 1, 4-dimetalation of the most electron deficient positions of the aromatic ring in the case of an estrogen, the 1 and 4-positions.
- :Such a configuration would be an electron deficient cycle of Three-center two-electron bonds, whereby each hydrogen will have two electrons, and each oxygen will have seven electrons.
- Since the material in the belt and rollers can be selected, the accumulated charge on the hollow metal sphere can either be made positive ( electron deficient ) or negative ( excess electrons ).
- This type of bonding is associated with electron deficient rhomboid rings in general and is a relatively new research field, fitting in with the already well established three-center two-electron bond.
- Indeed, I think it is standard to draw both nitric oxide and nitrogen dioxide as have whole-number bond order and leaving the nitrogen as being electron deficient ( with seven electron ).
- Therefore oxygen donates pi electrons more easily to an electron deficient centre ( to N 2 + ) than fluorine does ( to B ) .-- talk ) 12 : 39, 25 April 2012 ( UTC)
- An electron-withdrawing group ( EWG ) on the alkene makes it electron deficient and although the reaction mechanism is unclear, involvement of an aryl radical is presumed after loss of nitrogen in the diazonium salt followed by a free radical addition.
- Early theoretical studies of ScH 3 revealed that the molecule is unstable, the bulk substance is likely to be a colourless gas with a low activation energy toward the conversion into trimeric clusters due to the electron deficient nature of the monomer, not unlike the group 13 hydrides.
- अधिक वाक्य: 1 2
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