This invention provides for prodrug Compounds I, pharmaceutical compositions thereof, and their use in treating HIV infection.

##STR00001## wherein: X is C or N with the proviso that when X is N, R.sup.1 does not exist; W is C or N with the proviso that when W is N, R.sup.2 does not exist; V is C; E is hydrogen or a pharmaceutically acceptable salt thereof; and Y is selected from the group consisting of

##STR00002##

Also, this invention provides for intermediate Compounds II useful in making prodrug Compounds I.

##STR00003## wherein: L and M are independently selected from the group consisting of C.sub.1-C.sub.6 alkyl, phenyl, benzyl, trialkylsilyl, -2,2,2-trichloroethoxy and 2-trimethylsilylethoxy.

The present invention provides a process for the preparation of mono- and bisacylphosphanes based on formula (I):

##STR00001##

as well as for their corresponding oxides or sulfides. The present invention further relates to photoinitiators obtainable by said process.

The disclosure describes chiral P(V)-based reagents and their uses for the modular, scalable, and stereospecific synthesis of chiral phosphines, phosphine oxides and particular oligonucleotides.

An additive for a non-aqueous electrolyte solution that can suppress the initial gas generation amount when used in a non-aqueous electrolyte solution battery. The additive for a non-aqueous electrolyte solution is represented by any one of formulae [1] to [4]: ##STR00001## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, X.sup.1, X.sup.2 and Y are as defined in the specification.

The present disclosure provides reagents that can be used to label synthetic oligonucleotides with rhodamine dyes or dye networks that contain rhodamine dyes.

##STR00001##

Disclosed herein is a salt of formula I: where R.sup.1, X, n, R, R.sup.1, Y, m, p, q, Z and o are as defined herein. Also disclosed herein are methods of using said salts in chemical synthesis, such as to prepare compounds isotopically enriched in 18F for use in PET & imaging, as well as methods to make the compounds of formula I.

The present invention includes a method of reducing or eliminating a cardiotoxic or cardiopathic effect of one or more active agents comprising: administering to a subject in need thereof an effective amount of one or more lipids that reduce or eliminate the cardiotoxic effect of the one or more active agents, wherein the lipid has formula:

##STR##

.

Provided is a metal complex as represented by formula I. The metal complex may be used as a catalyst for asymmetric catalytic hydrogenation, is capable of efficiently catalyzing and synthesizing a series of chiral p-aryl amides having high optical purity, and is especially capable of asymmetrically catalyzing and hydrogenating a tetra-substituted enamide compound, chiral amides having high optical purity are synthesized, and the carrying amount of ligand may reach 100,000.

##STR00001##

The present invention includes compound having the following structural formula: ##STR00001##

The present invention relates to a ligand compound, a catalyst system for olefin oligomerization, and a method for olefin oligomerization using the same. The present ligand compound is a compound having a certain new structure and enables provision of a catalyst system for olefin oligomerization that can oligomerize ethylene with higher catalytic activity.