HYALURONIC ACID DERIVATIVE AND PHARMACEUTICAL COMPOSITION THEREOF
申请人:Akiyoshi Kazunari
公开号:US20110212901A1
公开(公告)日:2011-09-01
The present invention provides a hydrophobic group-introduced hyaluronic acid derivative comprising at least one repeating unit represented by the formula (I):
wherein R
1
, R
2
, R
3
, R
4
, Z, n, Ra, Y, and X
1
are as defined in the specification.
HYALURONIC ACID DERIVATIVE HAVING AMINO ACID AND STERYL GROUP INTRODUCED THEREINTO
申请人:CHUGAI SEIYAKU KABUSHIKI KAISHA
公开号:US20150231268A1
公开(公告)日:2015-08-20
The present invention provides a hyaluronic acid derivative containing a disaccharide unit represented by formula (I) or formula (I) and (II), and a complex containing the hyaluronic acid derivative and a drug.
The structure of the triterpene simiarenol (a E:B-friedo-hop-5-ene) from the Hong Kong species of Rhododendron simiarum
作者:R. T. Aplin、H. R. Arthur、W. H. Hui
DOI:10.1039/j39660001251
日期:——
The triterpene, simiarenol, has been identified as 3β-hydroxy-E:B-friedo-hop-5-ene. The structures of some acid-catalysed isomerisation products of simiarenol and its derivatives have been elucidated.
Batatasenol, a Major Triterpenol from Sweet Potato Skins
作者:José‐Luis Giner
DOI:10.1002/cbdv.201800439
日期:2019.3
Sweetpotatoes (the tuber of Ipomoea batatas) are a major food crop globally. The sweetpotato weevil (Cylas formicarius elegantulus) is a serious pest of this important crop. The triterpenol, boehmerol, has previously been found in the skin of the tuber where, as its acetate ester, it has been shown to signal oviposition by the weevil. A new triterpenol, batatasenol, was identified in two varieties
HYALURONIC ACID DERIVATIVE HAVING CATIONIC GROUP AND HYDROPHOBIC GROUP INTRODUCED THEREIN
申请人:Chugai Seiyaku Kabushiki Kaisha
公开号:EP3456745A1
公开(公告)日:2019-03-20
The present invention provides hyaluronic acid derivatives into which a certain cationic group and a certain hydrophobic group are introduced, the hyaluronic acid derivatives including one or more repeating units represented by the formula (Ia) and one or more repeating units represented by the formula (Ib).