EP 4182300 A1 20230524 - IMPROVED METHOD FOR SYNTHESISING FUNCTIONALISED MERCAPTANS
Title (en)
IMPROVED METHOD FOR SYNTHESISING FUNCTIONALISED MERCAPTANS
Title (de)
VERBESSERTES VERFAHREN ZUR SYNTHESE FUNKTIONALISIERTER MERCAPTANE
Title (fr)
PROCEDE AMELIORE DE SYNTHESE DE MERCAPTANS FONCTIONNALISES
Publication
Application
Priority
- FR 2007577 A 20200720
- FR 2012669 A 20201204
- FR 2021051300 W 20210713
Abstract (en)
[origin: WO2022018352A1] The present invention relates to a method for synthesising functionalised mercaptans, essentially in the absence of oxygen, as well as a composition particularly for implementing said method. The functionalised mercaptans have the following formula (I): R2-X-C*H(NR1R7)-(CH2)n-SH (I) wherein R1 and R7, which are either identical or different, are a hydrogen atom or a saturated or unsaturated, linear, branched or cyclic hydrocarbon chain, which is aromatic or non-aromatic, having between 1 and 20 carbon atoms and possibly comprising one or more heteroatoms; X is selected from –C(=O)-, –CH2- or –CN; R2 is: (i) either zero when X represents –CN, (ii) or a hydrogen atom, (iii) or –OR3, R3 is a hydrogen atom or a saturated or unsaturated, linear, branched or cyclic hydrocarbon chain, which is either aromatic or non-aromatic, having between 1 and 20 carbon atoms and which may comprise one or more heteroatoms, (iv) or – NR4R5, R4 and R5, which are either identical or different, are a hydrogen atom or a saturated or unsaturated, linear, branched or cyclic hydrocarbon chain, which is either aromatic or non-aromatic, having between 1 and 20 carbon atoms and possibly comprising one or more heteroatoms; n is equal to 1 or 2; and * represents an asymmetric carbon atom.
IPC 8 full level
C07C 319/08 (2006.01); C07C 323/58 (2006.01); C12N 9/10 (2006.01); C12P 13/04 (2006.01); C12P 13/12 (2006.01)
CPC (source: EP US)
C07C 319/08 (2013.01 - EP US); C12N 9/1085 (2013.01 - EP US); C12P 11/00 (2013.01 - EP); C12P 13/12 (2013.01 - EP US); C12Y 205/01049 (2013.01 - EP); C12Y 205/01049 (2013.01 - US)
C-Set (source: EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
FR 3112549 A1 20220121; BR 112023000600 A2 20230131; CL 2023000162 A1 20230728; CN 116157385 A 20230523; EP 4182300 A1 20230524; FR 3112548 A1 20220121; FR 3112548 B1 20240517; JP 2023534544 A 20230809; KR 20230038768 A 20230321; TW 202212323 A 20220401; TW I803906 B 20230601; US 2023295080 A1 20230921; WO 2022018352 A1 20220127; ZA 202300434 B 20240530
DOCDB simple family (application)
FR 2007577 A 20200720; BR 112023000600 A 20210713; CL 2023000162 A 20230117; CN 202180059319 A 20210713; EP 21749242 A 20210713; FR 2012669 A 20201204; FR 2021051300 W 20210713; JP 2023504118 A 20210713; KR 20237005379 A 20210713; TW 110126356 A 20210719; US 202118005306 A 20210713; ZA 202300434 A 20230110