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1-O-benzyl-β-LNnT | 68124-22-1

中文名称
——
中文别名
——
英文名称
1-O-benzyl-β-LNnT
英文别名
1-O-benzyl-β-lacto-N-neotetraose;1-O-benzyl-LNnT;LNnT-OBn
1-O-benzyl-β-LNnT化学式
CAS
68124-22-1
化学式
C33H51NO21
mdl
——
分子量
797.762
InChiKey
VQAZHSRSPDZMEF-ITPZEYGOSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    -7.38
  • 重原子数:
    55.0
  • 可旋转键数:
    14.0
  • 环数:
    5.0
  • sp3杂化的碳原子比例:
    0.79
  • 拓扑面积:
    345.7
  • 氢给体数:
    13.0
  • 氢受体数:
    21.0

反应信息

  • 作为反应物:
    描述:
    1-O-benzyl-β-LNnT 在 palladium on activated charcoal 氢气 作用下, 以 溶剂黄146 为溶剂, 20.0 ℃ 、4.0 MPa 条件下, 反应 48.0h, 以89%的产率得到lacto-N-neo-tetraose
    参考文献:
    名称:
    [EN] A METHOD FOR PREPARATION OF THE TETRASACCHARIDE LACTO-N-NEOTETRAOSE (LNNT) CONTAINING N-ACETYLLACTOSAMINE
    [FR] PROCÉDÉ POUR LA PRÉPARATION DU TÉTRASACCHARIDE LACTO-N-NÉOTÉTRAOSE (LNNT) CONTENANT DE LA N-ACÉTYLLACTOSAMINE
    摘要:
    本发明涉及一种制备四糖乳酸N-新四糖(LNnt,化学式(I))的方法,特别是在大规模下进行制备,以及合成中间体,LNnt的新晶型(多形),以及其在制药或营养组合物中的用途。
    公开号:
    WO2011100980A1
  • 作为产物:
    描述:
    甲醇sodium methylate 作用下, 反应 7.0h, 以83%的产率得到1-O-benzyl-β-LNnT
    参考文献:
    名称:
    SYNTHESIS OF HMO CORE STRUCTURES
    摘要:
    该发明涉及一种制备HMO核心结构前体的方法,包括将N-乙酰乳糖胺或乳酸-N-生物糖衍生物供体与乳糖或N-乙酰乳糖胺衍生物受体反应的步骤,其中供体是氧杂环丙烯供体。
    公开号:
    US20140235850A1
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文献信息

  • [EN] A METHOD FOR OBTAINING CRYSTALLINE LACTO-N-TETRAOSE AND LACTO-N-NEOTETRAOSE PRECURSORS AND MIXTURES THEREOF<br/>[FR] PROCÉDÉ POUR OBTENIR DES PRÉCURSEURS DE LACTO-N-TÉTRAOSE ET DE LACTO-N-NEOTÉTRAOSE CRISTALLIN ET DES MÉLANGES DE CEUX-CI
    申请人:GLYCOM AS
    公开号:WO2013091660A1
    公开(公告)日:2013-06-27
    A mixture of, preferably a mixture consisting essentially of, an lacto-N-tetraose (LNT) precursor (1) and an lacto-N-neotetraose (LNnT) precursor (2), (formula 1, 2), where R is a group removable by hydrogenolysis and R3 is either a group removable by hydrogenolysis or H, a method of crystallizing 1 and/or 2 from said mixture, and the use of said mixture for making a mixture consisting essentially of LNnT and LNT for use as a pharmaceutically or nutritionally active ingredient. The precursors can be made by reacting an acceptor of formula 5, (formula 5), wherein R is a group removable by hydrogenolysis, R1 is acyl, Ri is acyl or H, R3 is selected from a group removable by hydrogenolysis, acyl, silyl and an acetal type group and Y is selected from alkanoylamido, haloalkanoylamido, -NAc2, benzamido, alkoxycarbonylamino, haloalkoxycarbonylamino, benzyloxycarbonylamino, azido, phthalimido, tetrachlorophthalimido, 2,3- diphenylmaleimido and 2,3-dimethylmaleimido, with a donor of formula 6, (formula 6), wherein R4 is acyl and Xi is selected from halogen, -OC(=NH)CCl3, -OAc, -OBz or -SR5, wherein R5 is selected from alkyl, substituted phenyl and unsubstituted phenyl, followed by one or more deprotection steps.
    一种混合物,优选基本上由乳糖-N-四糖(LNT)前体(1)和乳糖-N-新四糖(LNNT)前体(2)(式1,2)组成,其中R是通过氢解可移除的基团,R3是可通过氢解移除的基团或H,从该混合物中结晶1和/或2的方法,以及该混合物用于制备基本上由LNNT和LNT组成的混合物,作为药用或营养活性成分的用途。这些前体可以通过反应一个受体式5(式5),其中R是通过氢解可移除的基团,R1是酰基,Ri是酰基或H,R3是从可通过氢解移除的基团、酰基、基和缩醛型基团中选择的,Y是从烷酰胺基、卤代烷酰胺基、-NAc2、苯甲酰胺基、烷氧羰基基、卤代烷氧羰基基、苄氧羰基基、叠氮基、邻苯二甲酰亚胺基、四邻苯二甲酰亚胺基、2,3-二苯基马来酰亚胺基和2,3-二甲基马来酰亚胺基中选择的,与一个供体式6(式6)反应,其中R4是酰基,Xi是从卤素、-OC(=NH)CCl3、-OAc、-OBz或-SR5中选择的,其中R5是从烷基、取代的苯基和未取代的苯基中选择的,随后进行一个或多个脱保护步骤来制备。
  • [EN] SYNTHESIS OF HMO CORE STRUCTURES<br/>[FR] SYNTHÈSE DE STRUCTURES À NOYAU HMO
    申请人:GLYCOM AS
    公开号:WO2013044928A1
    公开(公告)日:2013-04-04
    The invention relates to a method for making precursors of HMO core structures comprising a step of reacting an N-acetyllactosamine or lacto-N-biose derivative donor with a lactose or N-acetyllactosamine derivative acceptor, wherein the donor is an oxazoline donor.
    该发明涉及一种制备HMO核心结构前体的方法,包括以下步骤:将N-乙酰乳糖胺或乳酸-N-双糖生物供体与乳糖或N-乙酰乳糖胺衍生物受体反应,其中供体是一种噁唑烷供体。
  • Method for preparation of the tetrasaccharide lacto-N-neotetraose (LNnt) containing N-acetyllactosamine
    申请人:Bajza István
    公开号:US08993740B2
    公开(公告)日:2015-03-31
    The present invention relates to a method for preparation of the tetrasaccharide lacto-N-neotetraose (LNnt, formula (I)) especially in large scale, as well as intermediates in the synthesis, a new crystal form (polymorph) of LNnt, and the use thereof in pharmaceutical or nutritional compositions.
    本发明涉及一种用于制备四糖乳酸-N-新四糖(LNnt,化学式(I))的方法,特别是在大规模下的制备方法,以及合成中间体、LNnt的新晶型(多形态)以及在制药或营养组合物中的应用。
  • [EN] SYNTHESIS OF NEW FUCOSE-CONTAINING CARBOHYDRATE DERIVATIVES<br/>[FR] SYNTHÈSE DE NOUVEAUX DÉRIVÉS GLUCIDIQUES CONTENANT DU FUCOSE
    申请人:GLYCOM AS
    公开号:WO2012127410A1
    公开(公告)日:2012-09-27
    A method for the synthesis of a compound of formula (1) or a salt thereof, wherein A is a carbohydrate linker which is a lactosyl moiety or which consists of a lactosyl moiety and at least one monosaccharide unit selected from the group consisting of: glucose, galactose, N-acetylglucosamine, fucose and N-acetyl neuraminic acid; and wherein R1 is one of the following anomeric protecting groups: a) -OR2, wherein R2 is a protecting group removable by catalytic hydrogenolysis; b) -SR3, wherein R3 is an optionally substituted alkyl, an optionally substituted aryl or an optionally substituted benzyl; c) -NH- C(R")=C(R')2, wherein each R' independently is one of the following electron withdrawing groups: -CN, -COOH, -COO-alkyl, -CO-alkyl, -CONH2, -CONH- alkyl or -CON(alkyl)2, or wherein the two R'-groups are linked together and form -CO-(CH2)2-4-CO- and thus form, together with the carbon atom to which they are attached, a 5-7 membered cycloalkan-1,3-dione, in which dione any of the methylene groups is optionally substituted with 1 or 2 alkyl groups, and R" is H or alkyl, in which a fucosyl donor of formula (2) wherein X is selected from the group consisting of: a guanosine diphosphatyl moiety, a lactose moiety, azide, fluoride, optionally substituted phenoxy-, optionally substituted pyridinyloxy-, optionally substituted 3-oxo-furanyloxy- of formula (A), optionally substituted 1,3,5-triazinyloxy- of formula (B), 4-methylumbelliferyloxy-group of formula (C), and a group of formula (D) wherein Ra is independently H or alkyl, or two vicinal Ra groups represent a =C(Rb)2 group, wherein Rb is independently H or alkyl, Rc is independently selected from the group consisting of alkoxy, amino, alkylamino and dialkylamino, Rd is selected from the group consisting of H, alkyl and -C(=O)Re, wherein Re is OH, alkoxy, amino, alkylamino, dialkylamino, hydrazino, alkylhydrazino, dialkylhydrazino or trialkylhydrazino, is reacted with an acceptor of formula H-A-R1 or a salt thereof, wherein A and R1 are as defined above, under the catalysis of an enzyme capable of transferring fucose. A compound of formula 1', its use in manufacture of human milk oligosaccharides, a method of manufacture of human milk oligosaccharides, and a fucosyl donor are also provided.
    一种合成式(1)化合物或其盐的方法,其中A是一种碳水化合物连接物,其为乳糖基或由乳糖基和至少一种单糖单元组成,所述单糖单元选自以下组中的一种:葡萄糖、半乳糖、N-乙酰葡萄糖胺、岩藻糖和N-乙酰神经酸;R1是以下异构保护基之一:a)-OR2,其中R2是可通过催化氢解去除的保护基;b)-SR3,其中R3是可选的取代基烷基、可选的取代基芳基或可选的取代基苄基;c)-NH-C(R")=C(R')2,其中每个R'独立地是以下电子提取基之一:-CN、-COOH、-COO-烷基、-CO-烷基、-CONH2、-CONH-烷基或-CO N(烷基)2,或其中两个R'基连接在一起形成-CO-(CH2)2-4-CO-,并与它们连接的碳原子一起形成5-7环脂肪环-1,3-二酮,在该二酮中,任何亚甲基基团均可选地被1或2个烷基取代,R"为H或烷基,在式(2)中提供了一种岩藻糖供体,其中X选自以下组中的一种:鸟苷磷酸基团、乳糖基、叠氮化物化物、可选取代的苯氧基、可选取代的吡啶氧基、可选取代的3-氧代呋喃氧基式(A)、可选取代的1,3,5-三嗪氧基式(B)、4-甲基芹菜素氧基式(C)和式(D)中的基团,其中Ra独立地为H或烷基,或两个相邻的Ra基团表示=C(Rb)2基团,其中Rb独立地为H或烷基,Rc独立地选自烷氧基、基、烷基基和双烷基基,Rd选自H、烷基和-C(=O)Re,其中Re为OH、烷氧基、基、烷基基、双烷基基、基、烷基基、双烷基基或三烷基基,与式H-A-R1或其盐反应,其中A和R1如上所述,在能够转移岩藻糖的酶的催化下。还提供了式1'的化合物及其在制造人乳寡糖中的应用、制造人乳寡糖的方法和一种岩藻糖供体。
  • [EN] DERIVATIZATION OF OLIGOSACCHARIDES<br/>[FR] DÉRIVATION D'OLIGOSACCHARIDES
    申请人:GLYCOM AS
    公开号:WO2012007585A9
    公开(公告)日:2012-07-26
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