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2. Captodative effect - Wikipedia

   en.wikipedia.org/wiki/Captodative_effect

   The olefins contained an EWG nitrile group and varying EDGs and the effect of varying EDGs on the rate of the addition reactions was observed. The process studied was: The process studied was: The rate of the addition reaction was accelerated by the following EDGs in increasing order: H < CH 3 < OCH 2 CH 3 .

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4. Electrophilic aromatic directing groups - Wikipedia

   en.wikipedia.org/wiki/Electrophilic_aromatic...

   Only the dimer form is available for +M effect. However, the dimer form is less stable in a solution. Therefore, the nitroso group is less available to donate electrons. Oppositely, withdrawing electron density is more favourable: (see the picture on the right). The -M effect of the nitroso group. As a result, the nitroso group is a deactivator.

5. Acrylonitrile - Wikipedia

   en.wikipedia.org/wiki/Acrylonitrile

   Its molecular structure consists of a vinyl group (−CH=CH 2) linked to a nitrile (−C≡N). It is an important monomer for the manufacture of useful plastics such as polyacrylonitrile. It is reactive and toxic at low doses. [5] Acrylonitrile is one of the components of ABS plastic (acrylonitrile butadiene styrene). [6]

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7. Robert H. Grubbs - Wikipedia

   en.wikipedia.org/wiki/Robert_H._Grubbs

   The Grubbs group successfully polymerized the 7-oxo norbornene derivative using ruthenium trichloride, osmium trichloride as well as tungsten alkylidenes. [41] They identified a Ru(II) carbene as an effective metal center and in 1992 published the first well-defined, ruthenium-based olefin metathesis catalyst, (PPh 3) 2 Cl 2 Ru=CHCH=CPh 2. [39]

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