专利号:US-3852307-A 优先权日:1972-04-25 标 题 :Synthesis of zearalanone and related compounds 发明人:URRY W; MULLENBACH G 权利人:COMMERCIAL SOLVENTS CORP 摘要:WHEREIN X is an integer having a value from 0 to 6 inclusive and Y is an integer having a value from 3 to 8 inclusive. It also provides for new methods of making compounds useful in the synthesis of zearalanone and related compounds. The compounds 6-acetoxyhexanoic acid; 2-(5-hexenoyl)cyclohexanone; 7-keto-11-dodecenoic acid; 2-hydroxyethyl 7-keto11-dodecenoate ethylene ketal; N,N-dimethyl 7-keto-11dodecenamide ethylene ketal; 7-keto-11-dodecenal ethylene ketal; 9-keto-2,13-tetradecadienic acid ethylene ketal; 2-hydroxyethyl 9-keto-2,13-tetradecadienoate ethylene ketal; the sodium salt of ethyl 6-(6-keto-10-undecenyl)- Beta -dihydroresorcylate ethylene ketal; ethyl 3-bromo-6-(6-keto-10-undecenyl)- Beta dihydroresorcylate ethylene ketal; ethyl 6-(6-keto-10-undecenyl)Beta -resorcylate ehtylene ketal; ethyl 6-(6-keto-10-undecenyl)Beta -resorcylate ethylene ketal dibenzyl ether; ethyl 6-(6keto-10-hydroxyundecyl)- Beta -resorcylate ethylene ketal dibenzyl ether; and 6-(10-hydroxy-6-keto-undecyl)- Beta resorcylic acid dibenzyl ether are disclosed. Methods for preparing these compounds are also disclosed. This invention provides a new synthesis for zearalanone and for related compounds having more or fewer carbon atoms in the nonaromatic ring than does zearalanone, which related compounds and zearalanone are represented by the formula
专利号:US-2012178710-A1 优先权日:2009-07-01 标题 :Synthesis of cyclic diguanosine monophosphate and thiophosphate analogs thereof 发明人:JONES ROGER A; GAFFNEY BARBARA L 权利人:JONES ROGER A; GAFFNEY BARBARA L; UNIV RUTGERS 摘要:The invention provides methods for the synthesis of cyclic dinucleotides and thiophosphate analogs thereof as well as a new family of analogs of cyclic diguanosine monophosphate that includes a series of seven phosphorothioate derivatives that includes diastereomers of mono-, di-, and trithiophosphates.
专利号:US-4937367-A 优先权日:1987-07-15 标 题:Process for the preparation of intermediates for the synthesis of fosfomycin 发明人:CASTALDI GRAZIANO; GIORDANO CLAUDIO 权利人:ZAMBON SPA 摘要:A process is described for the preparation of intermediates useful in the synthesis of Fosfomycin. n More particularly, an enantioselective process is described for the preparation of derivatives of (1S,2S)-1,2-dihydroxypropyl-phosphonic acid of formula ##STR1## wherein R 2 and R 3 have the meanings reported in the specification.
专利号:US-5292903-A 优先权日:1991-08-22 标 题:One step method for the preparation of difurfuryl diamines 发明人:CONNER ANTHONY H; HOLFINGER MICHAEL S; HILL JR CHARLES G; MCKILLIP WILLIAM J; REIMANN ROLF H 权利人:US DEPARTMENT OF AGRICULTURE A 摘要:A synthetic procedure for the synthesis of diamino difurfuryl compounds via a one-step, low-temperature reaction that does not require additional steps for the protection of the amino functionalities in the reactant or the deprotection of the amino functionalities in an intermediate product to give the final product is disclosed. The importance of acid concentration, reaction temperature, and reaction time to the one step method are disclosed.
专利号:US-2014316101-A1 优先权日:2011-12-09 标 题:One-pot synthesis of sibnc preceramic polymer 发明人:WILFERT JAKOB; JANSEN MARTIN 权利人:MAX PLANCK GES ZUR FÖRDERUNG DER WISSENSCHAFTEN E V 摘要:The present invention relates to a one-pot synthesis for an SiBNC preceramic polymer.
专利号:US-2017204442-A1 优先权日:2014-05-29 标题 :Enzymatic synthesis of soluble glucan fiber 发明人:DICOSIMO ROBERT; CHENG QIONG; ELIOT ANDREW C; OUWEHAND ARTHUR; PAYNE MARK S; YOU ZHENG 权利人:DU PONT 摘要:An enzymatically produced soluble α-glucan fiber composition is provided suitable for use as a digestion resistant fiber in food and feed applications. The soluble α-glucan fiber composition can be blended with one or more additional food ingredients to produce fiber-containing compositions. Methods for the production and use of compositions comprising the soluble α-glucan fiber are also provided.
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