Condensation reactions in dimethyl sulfoxide solution and sulfoxides

Claim 2

DIMETHYL SULFOXIDE ADDUCTS HAVING THE FORMULA R1R2COHCH2SOCH3, WHEREIN R1 IS AN AROMATIC RADICAL AND R2 IS SELECTED FROM THE GROUP CONSISITING OF HYDROGEN AND AN AROMATIC RADICAL, EACH OF SAID AROMATIC RADICALS BEING SELECTED FROM THE GROUP CONSISTING OF PHENYL, BENZYL AND METHOXYPHENYL.

Claim 3

A PROCESS FOR FORMING ADDUCTS OF DIMETHYL SULFOXIDE WITH THOSE AROMATIC ALDEHYDES AND AROMATIC KETONES WHICH ARE SELECTED FROM THE GROUP CONSISING OF BENZALDEHYDES AND BENZOPHENONES WHICH HAVE NO ACIDIC ALPHAHYDROGEN ATOM FLUORENONES AND ANTIAQUINONE, WHICH COMPRISES CONTACTING THE SAID AROMATIC COMPOUND AT A TEMPERATURE BETWEEN ABOUT 20* AND ABOUT 80*C. WITH A SOLVENT MEDIUM CONSISTING ESSENTIALLY OF DIMETHYL SULOXIDE AND BETWEEN 0 AND 50% BY VOLUME OF TERTIARY BUTANOL, IN THE PRESENCE OF A STRONG BASE SELECTED FROM THE CLASS CONSISTING OF ALKALI METAL OXIDES, ALKALI METAL HYDROXIDES, ALKALI METAL ALKOXIDES, AND ALKALI METAL HYDRIDES.

Claim 4

A PROCESS FOR FORMING ADDUCTS OF DIMETHYL SULFOXIDE WITH THOSE AROMATIC ALDEHYDES AND AROMATIC KETONES WHICH ARE SELECTED FROM THE GROUP CONSISING OF BENZALDEHYDES AND BENZOPHENONES WHICH HAVE NO ACIDIC ALPHAHYDROGEN ATOM FLUORENONES AND ANTIAQUINONE, WHICH COMPRISES CONTACTING THE SAID AROMATIC COMPOUND AT A TEMPERATURE BETWEEN ABOUT 20* AND ABOUT 80*C. WITH A SOLVENT MEDIUM CONSISTING ESSENTIALLY OF DIMETHYL SULOXIDE AND BETWEEN 0 AND 50% BY VOLUME OF TERTIARY BUTANOL, IN THE PRESENCE OF A STRONG BASE SELECTED FROM THE CLASS CONSISTING OF ALKALI METAL OXIDES, ALKALI METAL HYDROXIDES, ALKALI METAL ALKOXIDES, AND ALKALI METAL HYDRIDES.

Claim 5

A PROCESS FOR PREPARING CONDENSATES OF BENZALDEHYDES WHICH HAVE NO ACIDIC ALPHA-HYDROGEN ATOM, WITH ACTIVE METHYLENE COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF PHENYL ALKYL KETONES: KETOHEXAMETHYLENE; COMPOUNDS HAVING THE FORMULA R''R"CH2 WHERE IN R'' IS SELECTED FROM THE GROUP CONSISTING OF PHENYL, LOWER ALKYLSUBSTITUTED PHENYL, PHENYLSULFONYL AND METHYLSULFINYL, AND R" IS SELECTED FROM THE GROUP CONSISTING OF PHENYL, LOWER ALKYL-SUBSTITUTED PHENYL AND PHENYL SULFONYL; AND COMPOUNDS HAVING THE FORMULA R''CH3 WHEREIN R'' IS SELECTED FROM THE GROUP CONSISTING OF METHYLSULFINYL AND SUBSTITUTED PHENYL, WHEREIN THE SUBSTITUENT IS ACID-STRENGTHENING, WHICH PROCESS COMPRISES FIRST DISSOLVING THE SAID ALDEHYDE IN AN ALKALINE MEDIUM CONSISTING ESSENTIALLY OF DIMETHYL SULFOXIDE AND AN ALKALI METAL ALKOXIDE AT A TEMPERATURE SUBSTNATIALLY BETWEEN 20* AND 40*C., DEHYDRATING THE SULFOXIDE ADDUCT THEREBY FORMED BY HEATING TO SUBSTANTIALLY BETWEEN 50* AND 70*C., AND CONDENSING THE UNSATURATED SULFOXIDE THEREBY FORMED WITH THE SAID ACTIVE METHYLENE COMPOUND AT A TEMPERATURE SUBSTANTIALLY BETWEEN 20* AND 40*C. IN AN ALKALINE MEDIUM CONSISTING ESSENTIALLY OF DIMETHYL SULFOXIDE AND AN ALKALI METAL ALKOXIDE.

Claim 6

A PROCESS FOR PREPARING CONDENSATES OF BENZALDEHYDES WHICH HAVE NO ACIDIC ALPHA-HYDROGEN ATOM, WITH ACTIVE METHYLENE COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF PHENYL ALKYL KETONES: KETOHEXAMETHYLENE; COMPOUNDS HAVING THE FORMULA R''R"CH2 WHERE IN R'' IS SELECTED FROM THE GROUP CONSISTING OF PHENYL, LOWER ALKYLSUBSTITUTED PHENYL, PHENYLSULFONYL AND METHYLSULFINYL, AND R" IS SELECTED FROM THE GROUP CONSISTING OF PHENYL, LOWER ALKYL-SUBSTITUTED PHENYL AND PHENYL SULFONYL; AND COMPOUNDS HAVING THE FORMULA R''CH3 WHEREIN R'' IS SELECTED FROM THE GROUP CONSISTING OF METHYLSULFINYL AND SUBSTITUTED PHENYL, WHEREIN THE SUBSTITUENT IS ACID-STRENGTHENING, WHICH PROCESS COMPRISES FIRST DISSOLVING THE SAID ALDEHYDE IN AN ALKALINE MEDIUM CONSISTING ESSENTIALLY OF DIMETHYL SULFOXIDE AND AN ALKALI METAL ALKOXIDE AT A TEMPERATURE SUBSTNATIALLY BETWEEN 20* AND 40*C., DEHYDRATING THE SULFOXIDE ADDUCT THEREBY FORMED BY HEATING TO SUBSTANTIALLY BETWEEN 50* AND 70*C., AND CONDENSING THE UNSATURATED SULFOXIDE THEREBY FORMED WITH THE SAID ACTIVE METHYLENE COMPOUND AT A TEMPERATURE SUBSTANTIALLY BETWEEN 20* AND 40*C. IN AN ALKALINE MEDIUM CONSISTING ESSENTIALLY OF DIMETHYL SULFOXIDE AND AN ALKALI METAL ALKOXIDE.