There are some people who think that Tetris [Holding] overreaches the bounds of expression and uses litigation to protect functionality.
Thus, assorted ortho alkylated hydroquinone, catechol, or resorcinol derivatives could be constructed with differentially protected phenolic functionality.
Poly methacrylic acid) (PMA) was modified with different ratios of alkyne and protected thiol functionalities (PMAAlk,SH).
Various meso-epoxides were well tolerated in these reactions, including five-, seven-,eight-memberedht-membered cyclic epoxides with alkene, ester, and protected amine functionalities, affording fluorohydrins 217 in 85 95% ee.
However, it will not protect the functionality.
One of the major challenging problems during multistep syntheses is to protect carbonyl functionality from nucleophilic attack until its electrophilic nature can be exploited [1].
Leaf rolling (Nar et al. 2009), leaf epicuticular wax (Robinson et al. 1993; Mohammadian et al. 2007) and reversible photo-inactivation (Feng et al. 2002) might protect PSII functionality from damage induced by drought stress.
Farmers in the market for mechanized farm equipment may not like the software-based innovations that John Deere is bringing to market, along with the constraints they are insisting on to protect the functionality, safety, and emissions compliance of their vehicles.
Resource managers may be able to control the invasion in a way that limits the impact of lionfish on prey species and protects ecosystem functionality, thereby protecting biodiversity and fisheries at local scales.
Load-bearing biological materials, such as bone and nacre, exhibit superior mechanical properties to support and/or protect biological functionalities.
Acetalization is a viable method to protect carbonyl functionalities in organic compounds and offers a potential synthetic strategy for synthesizing derived chemicals.
