where (1a) (1b) characterised by that formaldehyde (37%) reacts with α,ω-dithiol HS-X-SH, where X=(CH)2O(CH)2O(CH)2; n-C6H4-O-C6H4-n, and acetylacetone in the presence of a Al2O3/SiO2 catalyst, with molar ratio acetylacetone:CH2O:α,ω-dithiol:Al2O3/SiO2=2:2:1:(0.03-0.07), at room temperature (about 20°C) and atmospheric pressure for 5-7 hours in a chloroform-ethanol solvent mixture (1:1, by volume).;EFFECT: method of producing 1,8-{bis[(pent-2,4-dion-3-yl)methylsulphanyl]}-3,6-dioxaoctane (1a) and 4,4'-{bis[(pent-2,4-dion-3-yl)methylsulphanyl]}-diphenyl oxide (1b), which can be used as selective sorbents, extractants and complexing agents.;1 tbl, 1 ex"/>
METHOD OF PRODUCING 1,8-{BIS(PENT-2,4-DION-3-YL)METHYLSULPHANYL}-3,6-DIOXAOCTANE AND 4,4'-{BIS(PENT-2,4-DION-3-YL)METHYLSULPHANYL}-DIPHENYL OXIDE
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METHOD OF PRODUCING 1,8-{BIS(PENT-2,4-DION-3-YL)METHYLSULPHANYL}-3,6-DIOXAOCTANE AND 4,4'-{BIS(PENT-2,4-DION-3-YL)METHYLSULPHANYL}-DIPHENYL OXIDE
METHOD OF PRODUCING 1,8-{BIS(PENT-2,4-DION-3-YL)METHYLSULPHANYL}-3,6-DIOXAOCTANE AND 4,4'-{BIS(PENT-2,4-DION-3-YL)METHYLSULPHANYL}-DIPHENYL OXIDE
FIELD: chemistry.;SUBSTANCE: invention relates to organic chemistry, particularly a method of producing 1,8-{bis[(pent-2,4-dion-3-yl)methylsulphanyl]}-3,6-dioxaoctane (1a) and 4,4'-{bis[(pent-2,4-dion-3-yl)methylsulphanyl]}-diphenyl oxide (1b) of general formula (1): where (1a) (1b) characterised by that formaldehyde (37%) reacts with α,ω-dithiol HS-X-SH, where X=(CH)2O(CH)2O(CH)2; n-C6H4-O-C6H4-n, and acetylacetone in the presence of a Al2O3/SiO2 catalyst, with molar ratio acetylacetone:CH2O:α,ω-dithiol:Al2O3/SiO2=2:2:1:(0.03-0.07), at room temperature (about 20°C) and atmospheric pressure for 5-7 hours in a chloroform-ethanol solvent mixture (1:1, by volume).;EFFECT: method of producing 1,8-{bis[(pent-2,4-dion-3-yl)methylsulphanyl]}-3,6-dioxaoctane (1a) and 4,4'-{bis[(pent-2,4-dion-3-yl)methylsulphanyl]}-diphenyl oxide (1b), which can be used as selective sorbents, extractants and complexing agents.;1 tbl, 1 ex
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机译：发明领域本发明涉及有机化学，特别是涉及一种生产1,8- {双[（[pent-2,4-dion-3-yl）甲基亚磺酰基]}-3,6-二氧杂辛烷（1a）的方法。和通式（1）的4,4'-{双[（[pent-2,4-dion-3-yl）甲基磺酰基]]-二苯醚（1b）：其中（1a）<图像文件=” 00000014.GIF“ he =” 15“ imgContent =” undefined“ imgFormat =” GIF“ wi =” 77“ />（1b）<图像文件=” 00000015.GIF“ he =” 16“ imgContent =” undefined“ imgFormat =” GIF“ wi =” 73“ />，其特征在于甲醛（37％）与α反应， ω-二硫醇HS-X-SH，其中X =（CH） 2 O（CH） 2 O（CH） 2 ; nC 6 H 4 -OC 6 H 4 -n和乙酰丙酮在Al 2 O 3 / SiO 2 催化剂，摩尔比为乙酰丙酮：CH 2 O：α，ω-二硫醇：Al 2 O 3 / SiO 2 = 2：2：1：（0.03-0.07），在室温（约20°C）和氯仿-乙醇溶剂混合物（体积比为1：1）中，在大气压下放置5-7小时;效果：制备1,8- {双[（[pent-2,4-dion-3-yl]）甲基磺酰基的方法]}-3,6-二氧杂辛烷（1a）和4,4'-{双[（pent-2,4-dion-3-基）甲基亚磺酰基]}-二苯醚（1b），可用作选择性吸附剂，萃取剂和络合剂。; 1 tbl，1 ex
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