The present application provides, among other things, compounds and methods for metathesis reactions. In some embodiments, provided compounds promote highly efficient and highly Z-selective metathesis. In some embodiments, provided compounds and methods are particularly useful for producing allyl alcohols. In some embodiments, provided compounds have the structure of formula I. In some embodiments, provided compounds comprise ruthenium, and a ligand bonded to ruthenium through a sulfur atom.

The present application provides, among other things, compounds and methods for metathesis reactions. In some embodiments, provided compounds promote highly efficient and highly Z-selective metathesis. In some embodiments, provided compounds and methods are particularly useful for producing allyl alcohols. In some embodiments, provided compounds have the structure of formula I. In some embodiments, provided compounds comprise ruthenium, and a ligand bonded to ruthenium through a sulfur atom.

The present invention relates to the field of perfumery. More particularly, it concerns valuable new chemical intermediates for producing perfuming ingredients. Moreover, the present invention comprises also a process for producing compound of formula (I).

The present invention relates to fields of organic chemistry and organometallic chemistry. The present invention discloses a chain multiyne compound, a preparation method thereof and an application in synthesizing a fused-ring metallacyclic compound. A structure of the chain multiyne compound in the present invention is shown as Formula I below. The present invention also provides a preparation method of the chain multiyne compound and an application thereof in a synthesis of a fused-ring metallacyclic compound. The chain multiyne compound disclosed in the present invention has multiple functional groups and the structure of the chain multiyne compound is adjustable. The chain multiyne compound can also be used to synthesize the fused-ring metallacyclic compound efficiently. The preparation method of the chain multiyne compound disclosed in the present invention is simple, which can be used to prepare the chain multiyne compound rapidly and efficiently.

##STR00001##

The present invention relates to fields of organic chemistry and organometallic chemistry. The present invention discloses a chain multiyne compound, a preparation method thereof and an application in synthesizing a fused-ring metallacyclic compound. A structure of the chain multiyne compound in the present invention is shown as Formula I below. The present invention also provides a preparation method of the chain multiyne compound and an application thereof in a synthesis of a fused-ring metallacyclic compound. The chain multiyne compound disclosed in the present invention has multiple functional groups and the structure of the chain multiyne compound is adjustable. The chain multiyne compound can also be used to synthesize the fused-ring metallacyclic compound efficiently. The preparation method of the chain multiyne compound disclosed in the present invention is simple, which can be used to prepare the chain multiyne compound rapidly and efficiently.

##STR00001##

The present invention relates to fields of organic chemistry and organometallic chemistry. The present invention discloses a chain multiyne compound, a preparation method thereof and an application in synthesizing a fused-ring metallacyclic compound. A structure of the chain multiyne compound in the present invention is shown as Formula I below. The present invention also provides a preparation method of the chain multiyne compound and an application thereof in a synthesis of a fused-ring metallacyclic compound. The chain multiyne compound disclosed in the present invention has multiple functional groups and the structure of the chain multiyne compound is adjustable. The chain multiyne compound can also be used to synthesize the fused-ring metallacyclic compound efficiently. The preparation method of the chain multiyne compound disclosed in the present invention is simple, which can be used to prepare the chain multiyne compound rapidly and efficiently.

##STR00001##

Disclosed herein are compositions and methods of making phenolic compounds, and resins comprising these phenolic compounds. The compounds include multifunctional epoxies, amino glycidyl derivatives, and multi-functional amines prepared from hydroxymethyl derivatives of phenols and bisphenols. In one embodiment, a compound is of formula I ##STR00001##
wherein R.sub.1 is H or Z; each R.sub.2, R.sub.3, and R.sub.4, independently, are N(Z).sub.2, N(CH.sub.2OZ).sub.2, N(CH.sub.2CH.sub.2OZ).sub.2, N(CH.sub.2OH).sub.2, N(CH.sub.2NH.sub.2).sub.2, OZ, CH.sub.2OZ, CH.sub.2CH.sub.2OZ, CH.sub.2OH, CH.sub.2NH.sub.2, OC(CH.sub.3).sub.3, or O-(alkylene)-CH.sub.3; and Z is ##STR00002##

The disclosure relates to a cosmetic composition for use in protecting the human skin against infrared (IR) radiation. The cosmetic composition includes a first plant extract mixture of Green Coffee Seed Extract, Camellia Sinensis Leaf Extract, Pongamia Pinnata Seed Extract, Angelica Archangelica Root Extract and Citrus Aurantium (Bitter Orange) Peel extract; a second mixture of vitamins E and C and derivatives thereof; a third mixture of particular materials of ruby powder, mica and titanium dioxide, the ruby powder having a particle size of d.sub.90<10 m; and cosmetic auxiliaries. The composition shows a synergistic effect because of a significantly higher degree of protection than the single groups of substances.

Provided is a polar compound that has high chemical stability and high capability of aligning liquid crystal molecules, and has a large voltage holding ratio when used in a liquid crystal display device.

The compound represented by formula (1) is applied.

##STR00001##

For example, R.sup.1 is alkyl having 1 to 15 carbons; rings A.sup.1 to A.sup.5 are 1,4-cyclohexylene or 1,4-phenylene; Z.sup.1 and Z.sup.5 are a single bond or alkylene having 1 to 10 carbons; a and b are 0 to 4, and a sum of a and b is 4 or less; d is 1 to 4; c and e are 0 to 4; P.sup.1 to P.sup.3 are a polymerizable group represented by formulas (P-1) to (P-5):

##STR00002##

in which M.sup.1 to M.sup.3 are hydrogen or alkyl having 1 to 5 carbons; and R.sup.2 is a group represented by formulas (1a) to (1c):

##STR00003##

in which Sp.sup.1 to Sp.sup.5 are a single bond or alkylene having 1 to 10 carbons; S.sup.1 is >CH; S.sup.2 is >C<; and X.sup.1 is OH.

Disclosed herein are compositions and methods of making phenolic compounds and phenolic resins. The resins include multifunctional epoxies, amino glycidyl derivatives, alkanoate derivatives, alkyl ether derivatives, and multi-functional amines prepared from hydroxymethyl derivatives of novolac resin.