The compounds of the invention as shown by general structure I, as shown below, are effective in treating filovirus infections. ##STR00001## X is selected from the group consisting of O and H; R.sup.1 is selected from (C.sub.6 to C.sub.10) aryl and (C.sub.2 to C.sub.9) heteroaryl, and R.sup.2 is selected from (C.sub.1 to C.sub.10) alkyl, (C.sub.1 to C.sub.10) alkenyl, (C.sub.1 to C.sub.10) alkynyl, (C.sub.3 to C.sub.10) cycloalkyl, and (C.sub.5 to C.sub.10) cycloalkenyl, and NR.sup.3aR.sup.3b is defined in the specification. These compounds are effective in treating filovirii infections including Ebolavirus and Marburg virus.

Disclosed are a compound represented by formula (I), a resin including a structural unit derived from the compound, and a resist composition: ##STR00001## wherein R.sup.1 represents an alkyl group which may have a halogen atom, a hydrogen atom or a halogen atom; A.sup.1 represents a single bond or *-A.sup.2-CO—O—; A.sup.2 and A.sup.3 represent an alkanediyl group; W represents a divalent monocyclic saturated alicyclic hydrocarbon group; R.sup.2 and R.sup.3 each represent a hydrogen atom or a hydrocarbon group which may have a fluorine atom, etc., R.sup.4 represents a hydrogen atom, —CH.sub.2— in the group may be replaced by —O—, —S—, etc., R.sup.2 and R.sup.3, or R.sup.2, R.sup.3 and R.sup.4 may be bonded each other to form a ring which may have a fluorine atom or an alkyl group.

Disclosed are a salt represented by formula (I), and a method for producing the salt, and a quencher and a resist composition comprising the same: ##STR00001## wherein R.sup.1 and R.sup.2 each represent a hydrocarbon group, and —CH.sub.2— included in the hydrocarbon group may be replaced by —O— or —CO—; R.sup.3, R.sup.4 and R.sup.5 each represent a halogen atom, an alkyl fluoride group or a hydrocarbon group, and —CH.sub.2— included in the hydrocarbon group may be replaced by —O— or —CO—; m3 represents an integer of 0 to 2, and when m3 is 2, two R.sup.3 may be the same or different from each other; and m4 and m5 represent an integer of 0 to 5, and when m4 and/or m5 is/are 2 or more, a plurality of R.sup.4 and/or a plurality of R.sup.5 may be the same or different from each other.

Disclosed are a photoacid generator, a photoresist composition including the same, and a method of preparing the photoacid generator. The photoacid generator may include a compound represented by Formula 1: ##STR00001##
wherein, in Formula 1, CY, A1, A2, and B are respectively described in the specification.

This present disclosure relates to protein kinase C (PKC) modulating compounds, methods of treating a subject with cancer using the compounds, and combination treatments with a second therapeutic agent.

Disclosed are a salt represented by formula (I), an acid generator, and a resist composition comprising the same:

##STR00001##

wherein R.sup.1 and R.sup.2 each represent a hydroxy group, *—O—R.sup.10, *—O-L.sup.10-CO—O—R.sup.10; L.sup.10 represents an alkanediyl group; R.sup.10 represents an acid-labile group; R.sup.4, R.sup.5, R.sup.7 and R.sup.8 each represent a halogen atom, a haloalkyl group or a hydrocarbon group; A.sup.1 and A.sup.2 each represent a hydrocarbon group, the hydrocarbon group may have a substituent, and —CH.sub.2— included in the hydrocarbon group may be replaced by —O—, —CO—, —S— or —SO.sub.2—; m1 represents an integer of 1 to 5, m2 and m8 represent an integer of 0 to 5, m4, m5 and m7 represent an integer of 0 to 4, 1≤m1+m7≤5, 0≤m2+m8≤5; and AI.sup.− represents an organic anion.

The disclosure provides ionizable amine lipids and salts thereof (e.g., pharmaceutically acceptable salts thereof) useful for the delivery of biologically active agents, for example delivering biologically active agents to cells to prepare engineered cells. The ionizable amine lipids disclosed herein are useful as ionizable lipids in the formulation of lipid nanoparticle-based compositions.

A light emitting diode of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The hole transport region includes a first hole transport layer disposed adjacent to the first electrode and having a first refractive index, a second hole transport layer disposed adjacent to the emission layer and having a second refractive index, and a third hole transport layer disposed between the first hole transport layer and the second hole transport layer and having a third refractive index which is greater than each of the first refractive index and the second refractive index, thereby showing high light extraction efficiency and high emission efficiency properties.

Provided is the nitrogen-containing compound shown in Chemical formula 1, an organic electroluminescent device, and an electronic apparatus, relating to the technical field of organic materials. The nitrogen-containing compound can improve the performance of the organic electroluminescent device.

##STR00001##

Organosilicon Lewis acids supported on activated oxides and metal oxo complexes grafted on the organosilicon Lewis acids as heterogeneous catalysts and the related compositions, methods and systems are described. These organosilicon Lewis acids and the grafted metal oxo complexes catalyze industrially important chemical reactions including, respectively, C—F bond activation and olefin metathesis reactions such as homocoupling and polymerizations.