专利号:WO-2009049476-A1 优先权日:2007-09-20 标题 :Process for the manufacture of (+)-biotin 发明人:CHEN FEN-ER; DAI HUI-FANG; HUANG JIAN; XIONG FEI; JING SHU-PING 权利人:DSM IP ASSETS BV; UNIV FUDAN; CHEN FEN-ER; DAI HUI-FANG; HUANG JIAN; XIONG FEI; JING SHU-PING 摘要:Disclosed are processes for preparing synthetic biotin intermediates and a process for preparing biotin using said intermediates. In particular, disclosed is a process for the stereoselective total synthesis of the natural product (+)-biotin of formula (I).
专利号:WO-9931506-A9 优先权日:1997-12-18 标题:Parallel solution phase synthesis of lactams 发明人:CWI CYNTHIA LYNN; SCOTT WILLIAM LEONARD 权利人:LILLY CO ELI; CWI CYNTHIA LYNN; SCOTT WILLIAM LEONARD 摘要:The present invention provides a parallel solution phase process for making combinatorial arrays of lactam derivatives which are useful for screening for therapeutically useful compounds.
专利号:US-7071145-B2 优先权日:2001-09-25 标 题:Thermosensitive recording material, and synthesis method of oligomer composition for the recording material 发明人:MORITA MITSUNOBU; HAYAKAWA KUNIO; TORII MASAFUMI; NARUSE MITSURU 权利人:RICOH KK 摘要:A thermosensitive recording material comprising a thermosensitive layer provided on a substrate, and the thermosensitive layer comprises as main ingredients a leuco dye and a developer to make colored state of said leuco dye when heated, wherein the developer is an oligomer composition obtained from the reaction of a polyvalent isocyanate compound represented by following Formula (I) with an aromatic amine represented by following Formula (II); n nwhere X represents a try- or more-valent group, a represents an integer numeral of 3 or more, b and c represent respectively integer numerals in the range of 0 to 5 and they satisfy a relation of b+c=1 to 5, Z represents hydrogen atom, alkyl group, allyl group or aryl group, and the aryl group may include condensed ling structure thereof, and d represents an integer numeral in the range of 0 to 4. This developer shows excellent reliabilities of both image and background area, and also shows an excellent color-developing characteristics (color developing sensitivity and image density).
专利号:WO-9931506-A1 优先权日:1997-12-18 标题 :Parallel solution phase synthesis of lactams
专利号:WO-2013142093-A1 优先权日:2012-03-20 标题 :Method for the synthesis of droxidopa
专利号:US-2003153460-A1 优先权日:2001-09-25 标 题:Thermosensitive recording material, and synthesis method of oligomer composition for the recording material