where n=1-6, characterised by the fact that formaldehyde (37%) is subjected to interaction with hydrogen sulphide or α,ω-dithiol and acetylacetone in presence of catalyst BF3·Et2O with molar ratio CH2O:hydrogen sulphide:acetylacetone BF3·Et2O=3:2:2:(0.03-0.07) or CH2O:α,ω-dithiol:acetylacetone:BF3·Et2O=2:1:2:(0.03-0.07), at room temperature (~20°C) and atmospheric pressure for 5-7 h in mixture of solvents chloroform-ethanol (volumes 1:1).;EFFECT: elaborated is method of obtaining α,ω-{bis[(pentan-2,4-dion-3-yl)methylsulphanyl]}-alkanes, which can be applied as selective sorbents, extractants, complexants and biologically active substances.;1 tbl, 2 ex"/>
公开/公告号RU2529514C2
专利类型
公开/公告日2014-09-27
原文格式PDF
申请/专利权人 FEDERALNOE GOSUDARSTVENNOE BJUDZHETNOE UCHREZHDENIE NAUKI INSTITUT NEFTEKHIMII I KATALIZA RAN;
申请/专利号RU20120144046
发明设计人 SUFIJAROVA ROZA SHAJKHALNUROVNA;AKHMETOVA VNIRA RAKHIMOVNA;IBRAGIMOV ASKHAT GABDRAKHMANOVICH;DZHEMILEV USEIN MEMETOVICH;AKHMADIEV NAIL SALAVATOVICH;
申请日2012-10-16
分类号C07C321/04;
国家 RU
入库时间 2022-08-21 15:38:17