A cyclopropanation method includes reacting an alcohol, an ester, or an aldehyde with a sulfone in an organic solvent containing a base providing a counter cation to form a cyclopropane; and isolating the cyclopropane. When using the alcohol or ester, the organic solvent further contains a catalyst having an alcohol dehydrogenation activity.

This invention relates generally to olefin metathesis catalysts, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, and the use of such compounds in the metathesis of olefins and in the synthesis of related olefin metathesis catalysts. The invention has utility in the fields of catalysis, organic synthesis, polymer chemistry, and in industrial applications such as oil and gas, fine chemicals, and pharmaceuticals.

In some embodiments, the present disclosure pertains to a method of forming metalorganic frameworks. In some embodiments, the method includes exposing a plurality of zerooxidation state metal atoms to an oxidizing agent. In some embodiments, the exposing facilitates oxidation of the plurality of zero-oxidation state metal atoms to a plurality of metallic ions. In some embodiments, the plurality of metallic ions react with a plurality of ligands to form the metal-organic frameworks. In some embodiments, the formed metal-organic frameworks comprise one or more metals and one or more ligands coordinated with the one or more metals.

A method includes: providing a mixture including at least one alkyl tosylate and a Grignard reagent; and reacting the at least one alkyl tosylate with the Grignard reagent in a C—C coupling reaction mechanism to form a branched aliphatic alcohol.

The present invention relates to a selective reduction of specific aldehydes and ketones to their corresponding alcohols.

Zwitterion ligand metal complexes and methods of aerobic oxidation using a zwitterion ligand metal complex are provided. The zwitterion ligand metal complexes can include a transition metal salt and a zwitterion ligand, which can comprise a non-conjugated amide anion-phosphonium cation, an amide anion-ammonium cation, or an iminium cation. The methods of aerobic oxidation can include combining the zwitterion ligand metal complex with an oxidizable compound and molecular oxygen to allow the isolation of an oxidized compound from the oxidizable compound.

This invention relates generally to metathesis catalysts and the use of such catalysts in the metathesis of olefins and olefin compounds, more particularly, in the use of such catalysts in Z and E selective olefin metathesis reactions. The invention has utility in the fields of organometallics and organic synthesis.

The invention provides a method for synthesizing musk macrocycles comprising contacting an easily accessible diene starting materials bearing a Z-olefin moiety and performing a ring closing metathesis reaction in the presence of a Group 8 olefin metathesis catalyst.

##STR00001##

The present disclosure provides cis-polycycloolefins and methods for forming cis-polycycloolefins typically having 50% or greater cis carbon-carbon double bonds comprising contacting a first cyclic hydrocarbyl monomer with a catalyst represented by Formula (I): ##STR00001##
wherein: M is a group 8 metal; Q.sup.1, Q.sup.2, and Q.sup.3 are independently oxygen or sulfur; each of R.sup.1 and R.sup.4 is a halogen; R.sup.9 is C.sub.1-C.sub.40 hydrocarbyl or C.sub.1-C.sub.40 substituted hydrocarbyl; and each of R.sup.2, R.sup.3, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.10, R.sup.11, R.sup.12, R.sup.13, R.sup.14, R.sup.15, R.sup.16, R.sup.17, R.sup.18, and R.sup.19 is independently hydrogen, halogen, C.sub.1-C.sub.40 hydrocarbyl or C.sub.1-C.sub.40 substituted hydrocarbyl. In at least one embodiment, a polycyclopentene has 50% or greater cis carbon-carbon double bonds.

A method for oxidative cleavage of a compound with an unsaturated double bond is provided. The method includes the steps of: (A) providing a compound (I) with an unsaturated double bond, a trifluoromethyl-containing reagent, and a catalyst;

##STR00001## wherein, the catalyst is represented by Formula (II):

M(O).sub.mL.sup.1.sub.yL.sup.2.sub.z(II); wherein, M, L.sup.1, L.sup.2, m, y, z, R.sub.1, R.sub.2 and R.sub.3 are defined in the specification; and (B) mixing the compound with an unsaturated double bond and the trifluoromethyl-containing reagent to perform an oxidative cleavage of the compound with the unsaturated double bond by using the catalyst in air or under oxygen atmosphere condition to obtain a compound represented by Formula (III):

##STR00002##