(1R,2′S,3′S,6R,7R)-7-HYDROXY-3′,6,7,14-TETRAMETHYLSPIRO[2,9-DIOXA-14-AZABICYCLO[9.5.1]HEPTADEC-11-ENE-4,2′-OXIRANE]-3,8,17-TRIONE (OTOSENINE)


Keyword(s):	Natural Toxins
Molecule Category	Free-form
EPA CompTox	DTXSID701102927


Active Pharmaceutical Ingredients Bioactive chemicals	Exact Similarity SubStructure	Threshold (%) >= 70

Structure


InChI Key	CZQLULNMKQAIQL-GZSSMBGUSA-N
Smiles	C[C@@H]1C[C@]2([C@@H](O2)C)C(=O)O[C@@H]3CCN(C/C=C(C3=O)/COC(=O)[C@]1(C)O)C
InChI	InChI=1S/C19H27NO7/c1-11-9-19(12(2)27-19)17(23)26-14-6-8-20(4)7-5-13(15(14)21)10-25-16(22)18(11,3)24/h5,11-12,14,24H,6-10H2,1-4H3/b13-5-/t11-,12+,14-,18-,19+/m1/s1

Physicochemical Descriptors

Property Name	Value
Molecular Formula	C19H27NO7
Molecular Weight	381.18
AlogP	0.22
Hydrogen Bond Acceptor	8.0
Hydrogen Bond Donor	1.0
Number of Rotational Bond	0.0
Polar Surface Area	105.67
Molecular species	None
Aromatic Rings	0.0
Heavy Atoms	27.0

Cross References

Resources	Reference
CAS NUMBER	16958-29-5
NORMAN SUSDAT
PubChem	6438142
ChemSpider	4942634.0

CONTENTS


PREMIER has received funding from the Innovative Medicines Initiative 2 Joint Undertaking (JU) under grant agreement No 875508. The JU receives support from the EU’s Horizon 2020 research and innovation programme and the European Federation of Pharmaceutical Industries and Associations (EFPIA). The views reflect only the authors’ perspective and the JU is not responsible for any use that may be made of the information this manuscript contains. Elements of the website have been developed under projects PREMIER and the Biocenter Finland Drug Discovery and Chemical Biology network. CSC-IT is thanked for providing computational resources. Content of the website is provided without guarantee for correctness. Data has been collected and integrated from multiple public sources, for the largest: FDA, HUGO Gene Nomenclature Committee, ChEMBL, IUPHAR/BPS guide to pharmacology, Reactome, UniProt, and Ensembl. Credit is given to Ensembl for collecting species images (provided under public domain licences such as Wikimedia and NHGRI).

PREMIER has received funding from the Innovative Medicines Initiative 2 Joint Undertaking (JU) under grant agreement No 875508. The JU receives support from the EU’s Horizon 2020 research and innovation programme and the European Federation of Pharmaceutical Industries and Associations (EFPIA). The views reflect only the authors’ perspective and the JU is not responsible for any use that may be made of the information this manuscript contains.

Elements of the website have been developed under projects PREMIER and the Biocenter Finland Drug Discovery and Chemical Biology network. CSC-IT is thanked for providing computational resources. Content of the website is provided without guarantee for correctness. Data has been collected and integrated from multiple public sources, for the largest: FDA, HUGO Gene Nomenclature Committee, ChEMBL, IUPHAR/BPS guide to pharmacology, Reactome, UniProt, and Ensembl. Credit is given to Ensembl for collecting species images (provided under public domain licences such as Wikimedia and NHGRI).