茴香硫醚置于n-氯代丁二酰亚胺体系中,用 四氯化碳 作为反应溶剂,化学反应生成 氯甲基苯硫醚 参考文献:硫醛的 Diels-Alder 反应中的非对映选择性 标题:硫醛的 Diels-Alder 反应中的非对映选择性 摘要:La 反应 De Diels-Alder De Thioaldehydes Avec Le Cyclopentadiene Produitpreferentiellement L'Isomere End.la Selectivite La Plus Elevee Est Obtenue Avec Les 硫醛 Rchs Ou Rest Un Groupe 烷基化 Tel Que T-丁基 Ou 异丙基 DOI:10.1021/ja00224A033
专利号:US-4707554-A 优先权日:1984-12-07 标 题 :Method of obtaining derivatives of 4β-/1'-alken-1'-yl/-2ξ,5α-dαβ-4,5,6,6α.beta. 发明人:ACHMATOWICZ BARBARA; DANIEWSKI ANDRZEJ R; MARCZAK STANISLAW; PANKOWSKI JACEK; WICHA JERZY 权利人:POLSKA AKADEMIA NAUK INSTYTUT 摘要:A new method has been disclosed for obtaining derivatives of 4β-/1'-alken-1'-yl/-2ξ,5â•?-dihydroxy-3,3aβ,4,5,6,6aβ-hexahydro-2H-cyclopenta [b] furane useful in the synthesis of prostaglandins or their analogs, and a method for obtaining new sulphonyl initial compounds of the general formula 4, in which Z denotes a hydrogen atom or a protective group, Y denotes a group of the formula â•?CHOZ 1 , in which Z 1 has the meaning stated for Z, whereby protective groups Z and Z 1 may be the same or different, and Ar denotes optionally a substituted aryl group. n In the method according to the invention the new sulphonyl derivative of the general formula 4 is alkylated with an electrophilic agent comprising: carbonyl derivatives, oxiranes and halohydrins or their derivatives; the alkylation product is transformed into derivatives of 4β-/1'-alken-1'-yl/-2ξ,5α-dihydroxy-3,3aβ,4,5,6,6a.beta.-hexahydro-2H-cyclopenta[b] furane in reactions which ensure obtaining a double bond C 13 -C 14 . n New sulphonyl initial compounds of the general formula 4 are obtained from lactone of the general formula 11, in which Z has the above stated meaning and L° denotes a leaving group, which is transformed into a sulphide; the obtained lactone-sulphide is reduced to lactol, and thereafter lactol-sulphide is oxidized to te sulphonyl derivative.
专利号:US-5922889-A 优先权日:1996-06-21 标题 :Synthesis of isochromans and their derivatives 发明人:CUTLER HORACE G; MAJETICH GEORGE; TIAN XINRONG; SPEARING PAUL 权利人:US AGRICULTURE; UNIV GEORGIA 摘要:Isochromans and their derivatives have been chemically synthesized. These compounds possess significant phytotoxic activity which may be used as a biodegradable contact herbicide. The synthetic method allows for economic production of these herbicides.
专利号:US-4269773-A 优先权日:1976-04-27 标 题:Fused oxazolidine compounds 发明人:MITSURU YOSHIOKA; TERUJI TSUJI; YASUHIRO NISHITANI; WATARU NAGATA 权利人:SHIONOGI & CO 摘要:Compounds represented by the following formula prepared from 6-aminopenicillanic acid are key intermediates in a stereo-specific synthesis of 1-oxadethiacephalosporins, highly active antibiotics: +TR [wherein COA and COB each is carboxy or protected carboxy; COX is carboxy, protected carboxy, or a group of the formula -COCQ=N2 or -COCHQ-Z (in which Q is hydrogen, lower alkyl or aryl; and Z is hydrogen or a nucleophilic group); Hal is halogen; R is lower alkyl or aralkyl; and Y is hydrogen or acyl].
专利号:JP-H0778100-B2 优先权日:1990-06-27 标题 :Novel sulfur-containing acrylic compounds, a process for their preparation and their use in the synthesis of new polymers
专利号:WO-8801619-A1 优先权日:1986-08-29 标题 :1'-methyl-beta-lactam compounds and their production 发明人:TERASHIMA SHIRO; KIMURA YOSHIKAZU; ITO YOSHIO; KAWABATA TAKEO; SAKAI KUNIKAZU; HIYAMA TAMEJIRO; SUNAGAWA MAKOTO; SASAKI AKIRA 权利人:SUMITOMO PHARMA; SAGAMI CHEM RES 摘要:A 1'-methyl-beta-lactam compound of formula (I), wherein R1 is an optionally substituted diarylmethyl group or an optionally substituted aryl group and R2 is a protective group for hydroxyl, which is useful as an intermediate in the synthesis of antimicrobial agents.
专利号:US-11192908-B2 优先权日:2018-08-17 标题:Octamolybdate compounds exhibiting bright emission 发明人:DANIELS STEVEN; PICKETT NIGEL; SAVJANI NICKY; GAVRILIUC VIRGIL 权利人:NANOCO 2D MAT LIMITED; UNIV MANCHESTER 摘要:Methods for the synthesis of a polyoxometalate compounds include heating a metal precursor in the presence of an organic salt. The polyoxometalate compounds produced herein display high photoluminescence quantum yields and photoluminescence maximums in the blue and/or violet regions of the electromagnetic spectrum.
参考标题:Synthesis Of Sulfoxides By The Hydrogen Peroxide Induced Oxidation Of Sulfides Catalyzed By Iron Tetrakis(Pentafluorophenyl)Porphyrin: Scope And Chemoselectivity 作者:Enrico Baciocchi,Maria Francesca Gerini,Andrea Lapi |发布日期:2004.5.1 摘要:The Oxidation Of Sulfides With H2O2 Catalyzed By Iron Tetrakis(Pentafluorophenyl)Porphyrin In Etoh Is An Efficient And Chemoselective Process. With A Catalyst Concentration 0.03−0.09% Of That Of The Substrate, Sulfoxides Are Obtained With Yields Generally Around 90−95% Of Isolated Product. With Vinyl And Allyl Sulfides, No Epoxidation Is Observed. With A Catalyst Concentration Between 0.09% And 0.25%
合成参考文献
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