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2 780 452

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IPC

C07C303/16(2006-01-01)

C07C315/00(2006-01-01)

C07C309/19(2006-01-01)

C07C317/24(2006-01-01)

C07C381/04(2006-01-01)

(21) (22)

Application

2021118702, 2021-06-28

(24)

Start date

2021-06-28

(22)

Actual filing date

2021-06-28

(45)

Published

2022-09-23

(72)

Inventor

Lezina Olga MikhailovnaSudarikov Denis VladimirovichSubbotina Svetlana NikolaevnaFrolova Larisa LeonidovnaRubtsova Svetlana Albertovna

(73)

Holder

Federalnoe Gosudarstvennoe Biudzhetnoe Uchrezhdenie Nauki Federalnyi Issledovatelskii Tsentr Nauchnyi Tsentr Uralskogo Otdeleniia Rossiiskoi Akademii Nauk"

CHIRAL Γ-KETOSULPHONYL DERIVATIVES OF THE PINANE STRUCTURE AND METHOD FOR PRODUCTION THEREOF Russian patent published in 2022 - IPC C07C303/16 C07C315/00 C07C309/19 C07C317/24 C07C381/04

Abstract RU 2780452 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a method for producing a chiral γ-ketosulphonyl derivative of the pinane structure by the formula (I) - thiol sulphonate (RSO₂SR), sulphone (RSO₂R), sulphonic acid (RSO₃H), including a solvate thereof

wherein an asterisk indicates the bond whereto the sulphonate group (–SO₂–) is attached. The method consists in oxidating a thiol of the pinane structure with chlorine dioxide (ClO₂) by mixing a thiol solution in an organic solvent with an aqueous or organic chlorine dioxide solution. Herewith, γ-ketothiol of the pinane structure is used as the initial compound; pyridine or dimethylformamide is used as a solvent to produce the sulphonic acid; acetonitrile, hexane, or chloroform is used as a solvent to produce sulphone; and acetonitrile and a VO(acac)₂ catalyst are used to produce thiol sulphonate.

EFFECT: production of a chiral γ-ketosulphonyl derivative of the pinane structure with a high yield by an efficient method.

1 cl

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RU 2 780 452 C1

Authors

Lezina Olga Mikhailovna

Sudarikov Denis Vladimirovich

Subbotina Svetlana Nikolaevna

Frolova Larisa Leonidovna

Rubtsova Svetlana Albertovna

Dates

2022-09-23—Published

2021-06-28—Filed