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Deapi-platycodin D

$250

  • Brand : BIOFRON

  • Catalogue Number : BF-D4004

  • Specification : 95%(HPLC)

  • CAS number : 78763-58-3

  • Formula : C52H84O24

  • Molecular Weight : 1093.221

  • PUBCHEM ID : 70698266

  • Volume : 10mg

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Catalogue Number

BF-D4004

Analysis Method

HPLC,NMR,MS

Specification

95%(HPLC)

Storage

2-8°C

Molecular Weight

1093.221

Appearance

Powder

Botanical Source

Platycodon grandiflorus

Structure Type

Terpenoids

Category

SMILES

CC1C(C(C(C(O1)OC2C(C(COC2OC(=O)C34CCC(CC3C5=CCC6C(C5(CC4O)C)(CCC7C6(CC(C(C7(CO)CO)OC8C(C(C(C(O8)CO)O)O)O)O)C)C)(C)C)O)O)O)O)OC9C(C(C(CO9)O)O)O

Synonyms

[(2S,3R,4S,5S)-3-[(2S,3R,4S,5R,6S)-3,4-dihydroxy-6-methyl-5-[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxyoxan-2-yl]oxy-4,5-dihydroxyoxan-2-yl] (4aR,5R,6aR,6aS,6bR,8aR,10R,11S,12aR,14bS)-5,11-dihydroxy-9,9-bis(hydroxymethyl)-2,2,6a,6b,12a-pentamethyl-10-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylate

IUPAC Name

[(2S,3R,4S,5S)-3-[(2S,3R,4S,5R,6S)-3,4-dihydroxy-6-methyl-5-[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxyoxan-2-yl]oxy-4,5-dihydroxyoxan-2-yl] (4aR,5R,6aR,6aS,6bR,8aR,10R,11S,12aR,14bS)-5,11-dihydroxy-9,9-bis(hydroxymethyl)-2,2,6a,6b,12a-pentamethyl-10-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylate

Applications

Density

1.5±0.1 g/cm3

Solubility

Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.

Flash Point

Boiling Point

Melting Point

InChl

InChI=1S/C52H84O24/c1-21-39(73-42-36(65)31(60)25(57)17-69-42)35(64)38(67)43(71-21)74-40-32(61)26(58)18-70-45(40)76-46(68)52-12-11-47(2,3)13-23(52)22-7-8-28-48(4)14-24(56)41(75-44-37(66)34(63)33(62)27(16-53)72-44)51(19-54,20-55)29(48)9-10-49(28,5)50(22,6)15-30(52)59/h7,21,23-45,53-67H,8-20H2,1-6H3/t21-,23-,24-,25+,26-,27+,28+,29+,30+,31-,32-,33+,34-,35-,36+,37+,38+,39-,40+,41-,42-,43-,44-,45-,48+,49+,50+,52+/m0/s1

InChl Key

HCKUIVZXCXTBEH-PSRBGVDOSA-N

WGK Germany

RID/ADR

HS Code Reference

2932990000

Personal Projective Equipment

Correct Usage

For Reference Standard and R&D, Not for Human Use Directly.

Meta Tag

provides coniferyl ferulate(CAS#:78763-58-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of coniferyl ferulate are included as well.>> amp version: coniferyl ferulate

PMID

31661915

Abstract

Iodoarene catalysts can be applied in versatile reactions, for instance in the construction of complex chiral molecules via dearomatization of simple aromatic compounds. Recently, we reported the synthesis of the first carbohydrate-based chiral iodoarene catalysts and their application in asymmetric catalysis. Here we describe the synthesis of some new and improved catalysts. An account on how we got to the improved catalyst design, as well as the X-ray structure of one of the carbohydrate-based iodoarenes, is given.

KEYWORDS

iodoarene, carbohydrate, dearomatization, spirolactonization, organocatalysis, asymmetric catalysis, Mitsunobu reaction, benzylic substitution, bulky substituent

Title

Carbohydrate-Based Chiral Iodoarene Catalysts: A Survey through the Development of an Improved Catalyst Design

Author

Michael R. Imrich,1 Linda E. Biehler,1 Cacilia Maichle-Mossmer,2 and Thomas Ziegler1,*

Publish date

2019 Nov;

PMID

31568712

Abstract

Background
One of the most important steps taken by Beyond Batten Disease Foundation in our quest to cure juvenile Batten (CLN3) disease is to understand the State of the Science. We believe that a strong understanding of where we are in our experimental understanding of the CLN3 gene, its regulation, gene product, protein structure, tissue distribution, biomarker use, and pathological responses to its deficiency, lays the groundwork for determining therapeutic action plans.

Objectives
To present an unbiased comprehensive reference tool of the experimental understanding of the CLN3 gene and gene product of the same name.

Methods
BBDF compiled all of the available CLN3 gene and protein data from biological databases, repositories of federally and privately funded projects, patent and trademark offices, science and technology journals, industrial drug and pipeline reports as well as clinical trial reports and with painstaking precision, validated the information together with experts in Batten disease, lysosomal storage disease, lysosome/endosome biology.

Results
The finished product is an indexed review of the CLN3 gene and protein which is not limited in page size or number of references, references all available primary experiments, and does not draw conclusions for the reader.

Conclusions
Revisiting the experimental history of a target gene and its product ensures that inaccuracies and contradictions come to light, long‐held beliefs and assumptions continue to be challenged, and information that was previously deemed inconsequential gets a second look. Compiling the information into one manuscript with all appropriate primary references provides quick clues to which studies have been completed under which conditions and what information has been reported. This compendium does not seek to replace original articles or subtopic reviews but provides an historical roadmap to completed works.

KEYWORDS

Batten, CLN3, JNCL, juvenile Batten, neuronal ceroid lipofuscinosis

Title

The CLN3 gene and protein: What we know

Author

Myriam Mirza, 1 Anna Vainshtein, 2 Alberto DiRonza, 3 , 4 Uma Chandrachud, 5 Luke J. Haslett, 6 Michela Palmieri, 3 , 4 Stephan Storch, 7 Janos Groh, 8 Niv Dobzinski, 9 Gennaro Napolitano, 10 Carolin Schmidtke, 7 and Danielle M. Kerkovich 11

Publish date

2019 Dec

PMID

21654577

Abstract

Starting from 2-(triphenylsilyl)ethanol a new oxycarbonyl protecting group cleavable by fluoride ion induced Peterson-elimination has been developed. Known 2-(triphenylsilyl)ethanol has been prepared from commercially available triphenylvinyl-silane by a hydroboration-oxidation sequence using the sterically hindered borane reagent 9-BBN. The silyl alcohol was subsequently transformed into its chloroformate, imidazolylcarboxylic acid ester and p-nitrophenyl carbonate and used in standard protocols for the formation of carbamates and carbonates. The Tpseoc group proved to be highly resistant against acidic conditions applied in removal of tert-butyl esters and the t-Boc-group. It also withstood catalytic hydrogenation, treatment with morpholine, methylhydrazine and Pd-reagents/allyl-scavanger combinations, conditions required to cleave Cbz-, Fmoc-, phthalimide- and Alloc-groups. The Tpseoc-group is cleaved upon treatment with TBAF/CsF at 0 °C or r.t. with cleavage times reaching from <10 min. to 24 h. Its orthogonality, ease of cleavage and UV-detectability makes the Tpseoc-group a promising alternative to other widely used silicon based amine protecting groups like the Teoc- and SES-groups.

KEYWORDS

Peterson-elimination, protecting group, silicon, fluoride ion, acid stable

Title

The 2-(Triphenylsilyl)ethoxycarbonyl-(“Tpseoc”-) Group: A New Silicon-Based, Fluoride Cleavable Oxycarbonyl Protecting Group Highly Orthogonal to the Boc-, Fmoc- and Cbz-Groups

Author

Martin Golkowski and Thomas Ziegler*

Publish date

2011 Jun