This organopolysiloxane composition, when cured at room temperature by moisture in the atmosphere, provides a silicone rubber cured product having good self-adhesiveness to a magnesium alloy. The organopolysiloxane composition contains (A) an organopolysiloxane having a hydroxy group and/or a hydrolysable silyl group at both ends of the molecular chain, (B) an organic silicon compound other than (A) and (C), having at least three hydrolysable groups bonded to a silicon atom per molecule, and/or a partial hydrolysis-condensation product thereof, and (C) a silane coupling agent having a specific molecular structure having a carboxylic acid silyl ester bond. Furthermore, a novel compound, having an alkoxysilyl group and a carboxylic acid silyl ester group per molecule, can have improved adhesiveness/bonding properties with respect to a base material due to the effect of carboxylic acid after hydrolysis thereof.

The present disclosure relates to new cannabinoid sulfonate esters and processes for their use to prepare cannabinoids. The disclosure also relates to the use of catalysts and catalytic processes for the preparation of cannabinoids from the cannabinoid sulfonate esters.

The present invention provides: industrially desirable and novel optically-active cyclopentenone derivatives; and a novel industrial manufacturing method. The novel optically-active cyclopentenone derivatives and method for manufacturing the same are, respectively: an intermediate for industrially desirable and novel prostaglandin derivatives and the like; and a method for manufacturing the same. It is expected that the present invention will be commercialized and industrialized.

The present invention relates to the technical field of organic chemical engineering, and in particular to a key intermediate for synthesizing prostaglandin compounds and a preparation method therefor. When applied to the synthesis of prostaglandin compounds, the process flow is simplified, the yield and product purity are improved, the production costs are reduced, and the industrial application is easy.

##STR00001##

Provided herein are processes and intermediates useful for the preparation of certain compounds, including a compound of formula 21 or formula 22

##STR00001##

or a pharmaceutically acceptable salt of either.

This invention relates generally to the synthesis of Δ.sup.12-Prostaglandin J product using stereoretentive ruthenium olefin metathesis catalysts supported by dithiolate ligands. Δ.sup.12-Prostaglandin J products were generated with excellent selectivity (>99% Z) and in moderate to high/good yields (47% to 80% yield; 58% to 80% yield).

Bisaminoalkoxysilanes of Formula I, and methods using same, are described herein:
R.sup.1Si(NR.sup.2R.sup.3)(NR.sup.4R.sup.5)OR.sup.6  I
where R.sup.1 is selected from hydrogen, a C.sub.1 to C.sub.10 linear alkyl group, a C.sub.3 to C.sub.10 branched alkyl group, a C.sub.3 to C.sub.10 cyclic alkyl group, a C.sub.3 to C.sub.10 alkenyl group, a C.sub.3 to C.sub.10 alkynyl group, a C.sub.4 to C.sub.10 aromatic hydrocarbon group; R.sup.2, R.sup.3, R.sup.4, and R.sup.5 are each independently selected from hydrogen, a C.sub.4 to C.sub.10 branched alkyl group, a C.sub.3 to C.sub.10 cyclic alkyl group, a C.sub.3 to C.sub.10 alkenyl group, a C.sub.3 to C.sub.10 alkynyl group, and a C.sub.4 to C.sub.10 aromatic hydrocarbon group; R.sup.6 is selected from a C.sub.1 to C.sub.10 linear alkyl group, a C.sub.3 to C.sub.10 branched alkyl group, a C.sub.3 to C.sub.10 cyclic alkyl group, a C.sub.3 to C.sub.10 alkenyl group, a C.sub.2 to C.sub.10 alkynyl group, and a C.sub.4 to C.sub.10 aromatic hydrocarbon group.

The present invention relates to a method for preparing organic compounds of formula (I) by reaction between a silylated formiate of formula (II) and an organic compound in the presence of a catalyst and optionally of an additive.

The invention also relates to use of the method for preparing organic compounds of formula (I) for the preparation of reagents for fine chemistry and for heavy chemistry, as well as in the production of vitamins, pharmaceutical products, adhesives, acrylic fibres, synthetic leathers, and pesticides.

A 5.sub.A5.sub.B6.sub.C tricyclic spironolactone derivative is provided with a formula XI:

##STR00001##

The present invention also relates to its preparation method and its applications in the areas of insecticide, nematicide, fungicide and anti-viral agent. The 5.sub.A5.sub.B6.sub.C tricyclic spironolactone derivatives in the present invention are high-performance, broad-spectrum, low-toxicity and low-ecological risk compounds with a wide range of applications in the areas of agriculture, horticulture, forestry and health.

Aminopropylalkoxysilanes of the formula

H.sub.2N—CR.sup.2R.sup.3—CHR.sup.1—CH.sub.2—SiR.sup.4R.sup.5(OR.sup.6)   I,

are synthesized by hydrosilylating silazanes of the formulae

##STR00001##

and mixtures thereof, in the presence of a catalyst containing rhodium and/or iridium compounds, and then reacted with alcohol to form an aminopropylalkoxysilane.