CAS: 55764-23-3; 2,5-Dimethylfuran-3-Thiol

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28588-74-1 63012-97-5 65505-17-1

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CAS号60-24-2 巯基乙醇 | CAS号55764-22-2 S-(2,5-二甲基-3-呋喃... | CAS号28588-73-0 3,3'-二硫代双(2,5-二甲基)呋喃 | CAS号61197-13-5 2,5-dimethyl-3-...

2,5-Dimethylfur-3-Yl Thiocyanate置于氢氧化钾,Sodium Dithionite,三丁基膦体系中,用 水,异丙醇 作为反应溶剂,化学反应 1.0H,反应生成 2,5-二甲基-3-呋喃硫醇
参考文献:新型获得呋喃-3-硫醇和衍生物的方法,影响肉类香料†
标题:新型获得呋喃-3-硫醇和衍生物的方法,影响肉类香料†
摘要:描述了一种制备多种3-硫基取代的呋喃1-4的通用方法.这些产品的气味阈值非常低,因此是有效的风味化合物.毛皮-3-基硫氰酸酯10A,B以及其它含s-类似物(2B,图7A,B,和8)由制备迈克尔型加成硫氰酸,硫代乙酸,Alakanethiols,和硫代硫酸钠,以alkynones 6或15,然后环化(方案3和4).硫氰酸盐10A,B分别使用"硬"或"软"亲核试剂或还原剂将二硫化物3,对称二硫化物4,硫醚2和硫醇1转化为混合二硫化物(方案6).
DOI:10.1002/hlca.19930760711

专利信息

专利号:US-7329767-B2
优先权日:2003-10-03
标 题:Conjugated dienamides, methods of production thereof, compositions containing same and uses thereof
发明人：DEWIS MARK L; JOHN THUMPLASSERIL V; ECKERT MARKUS A; COLSTEE JAN HERMAN; DA COSTA NEIL C; PEI TAO
权利人:INT FLAVORS & FRAGRANCES INC
摘要:Described are mixtures of at least four of the alkadienamides defined according to the structure: n nwherein R represents C 1 -C 2 n-alkyl; R 1 is 2-methyl-1-propyl and R 2 is hydrogen, or R 1 and R 2 taken together is a moiety having the formulan n nwherein n is 4 or 5, or compositions containing substantial concentrations of such mixtures, prepared according to novel processes: (a) extraction of a ground substantially dried fruit of one of the Piper species, Piper longum Linn or Piper peepuloides ; (b) natural product-forming synthesis; or (c) synthetic product-forming synthesis. Also described are uses of the thus-formed products for augmenting, enhancing or imparting an aroma, taste, chemesthetic effect and/or antibacterial effect in or to a consumable material and/or in the oral cavity and/or on the mammalian epidermis.

专利号:US-8007841-B2
优先权日:2003-10-03
标 题 :Conjugated dienamides, methods of production thereof, compositions containing same and uses thereof
发明人：JOHN THUMPLASSERIL V; ECKERT MARKUS A; DEWIS MARK L; COLSTEE JAN HERMAN; DA COSTA NEIL C
权利人:INT FLAVORS & FRAGRANCES INC
摘要:Described are mixtures of at least four of the alkadienamides defined according to the structure: n nwherein R represents C 1 -C 2 n-alkyl; R 1 is 2-methyl-1-propyl and R 2 is hydrogen, or R 1 and R 2 taken together is a moiety having the formula —(CH 2 ) n —, wherein n is 4 or 5, or compositions containing substantial concentrations of such mixtures, prepared according to novel processes: (a) extraction of a ground substantially dried fruit of one of the Piper species, Piper longum Linn or Piper peepuloides ; (b) natural product-forming synthesis; or (c) synthetic product-forming synthesis. Also described are uses of the thus-formed products for augmenting, enhancing or imparting an aroma, taste, chemesthetic effect and/or antibacterial effect in or to a consumable material and/or in the oral cavity and/or on the mammalian epidermis.

专利号:CN-111699248-A
优先权日:2018-01-31
标题:Biocatalysts and methods for the synthesis of mixed disulfide conjugates of thienopyridine compounds

专利号:US-12188069-B2
优先权日:2018-01-31
标 题 :Biocatalyst and methods for synthesizing mixed disulfide conjugates of thienopyridine compounds
发明人：ZHANG HAOMING
权利人:UNIV MICHIGAN REGENTS
摘要:The present invention relates to methods for synthesizing mixed disulfide conjugates of thienopyridine compounds with a genetically engineered variant of cytochrome P450 BM3 or CYP102A1 as a catalyst, and belongs to the field of chemical synthesis.

专利号:US-7141686-B2
优先权日:2003-07-10
标题:E2, E4, Z8-undecatrienoic acid and ester and carboxamide derivatives thereof, organoleptic uses thereof and processes for preparing same
发明人：DEWIS MARK L; HUBER MICHELLE E
权利人:INT FLAVORS & FRAGRANCES INC
摘要:Described is a genus of E2,E4,Z8-undecatrienoic acid derivatives defined according to the structure: wherein Z represents -OR'' or -NRR' with the provisos that when Z is -OR'', R'' is hydrogen, C₁-C₆ straight chain or branched-chain alkyl or C₃-C₆ straight chain or branched-chain alkenyl; and when Z is -NRR', R represents, in the alternative, hydrogen, methyl or ethyl and R' represents methyl, ethyl, n-propyl, cyclopropyl, isopropyl, n-butyl, sec-butyl, isobutyl, 2-methylbutyl, cyclobutyl, cyclopentyl or allyl. The E2,E4,Z8-undecatrienoic acid derivatives are useful in imparting, augmenting and/or enhancing flavors, aromas and somatosensory effects in or to consumable materials such as foods, beverages, skin care products, oral care products, medicinal products and the like. Also described is a synthesis process for producing such derivatives.