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Technical details about Therarubicin Tn, learn more about the structure, uses, toxicity, action, side effects and more

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2D Structure
1. Also known as: Pirarubicin, 72496-41-4, Pinorubicin, Pinorubin, Pirarubicin, >=95% (hplc), (7s,9s)-7-[(2r,4s,5s,6s)-4-amino-6-methyl-5-(oxan-2-yloxy)oxan-2-yl]oxy-6,9,11-trihydroxy-9-(2-hydroxyacetyl)-4-methoxy-8,10-dihydro-7h-tetracene-5,12-dione
Molecular Formula
C32H37NO12
Molecular Weight
627.6  g/mol
InChI Key
KMSKQZKKOZQFFG-NCXNULAVSA-N

Pirarubicin is an analogue of the anthracycline antineoplastic antibiotic doxorubicin. Pirarubicin intercalates into DNA and interacts with topoisomerase II, thereby inhibiting DNA replication and repair and RNA and protein synthesis. This agent is less cardiotoxic than doxorubicin and exhibits activity against some doxorubicin-resistant cell lines. (NCI04)
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(7S,9S)-7-[(2R,4S,5S,6S)-4-amino-6-methyl-5-(oxan-2-yloxy)oxan-2-yl]oxy-6,9,11-trihydroxy-9-(2-hydroxyacetyl)-4-methoxy-8,10-dihydro-7H-tetracene-5,12-dione
2.1.2 InChI
InChI=1S/C32H37NO12/c1-14-31(45-21-8-3-4-9-42-21)17(33)10-22(43-14)44-19-12-32(40,20(35)13-34)11-16-24(19)30(39)26-25(28(16)37)27(36)15-6-5-7-18(41-2)23(15)29(26)38/h5-7,14,17,19,21-22,31,34,37,39-40H,3-4,8-13,33H2,1-2H3/t14-,17-,19-,21?,22-,31+,32-/m0/s1
2.1.3 InChI Key
KMSKQZKKOZQFFG-NCXNULAVSA-N
2.1.4 Canonical SMILES
CC1C(C(CC(O1)OC2CC(CC3=C2C(=C4C(=C3O)C(=O)C5=C(C4=O)C(=CC=C5)OC)O)(C(=O)CO)O)N)OC6CCCCO6
2.1.5 Isomeric SMILES
C[C@H]1[C@H]([C@H](C[C@@H](O1)O[C@H]2C[C@@](CC3=C2C(=C4C(=C3O)C(=O)C5=C(C4=O)C(=CC=C5)OC)O)(C(=O)CO)O)N)OC6CCCCO6
2.2 Synonyms
2.2.1 MeSH Synonyms

1. 4'-o-tetrahydropyranyladriamycin

2. 4'-o-tetrahydropyranyldoxorubicin

3. 4'-o-tetrapyranyldoxorubicin

4. Pirarubicin

5. Pirarubicin Hydrochloride

6. Thprubicine

7. Thepirubicin

8. Theprubicin

9. Thp-adm

10. Thp-adriamycin

11. Thp-dox

12. Thp-doxorubicin

2.2.2 Depositor-Supplied Synonyms

1. Pirarubicin

2. 72496-41-4

3. Pinorubicin

4. Pinorubin

5. Pirarubicin, >=95% (hplc)

6. (7s,9s)-7-[(2r,4s,5s,6s)-4-amino-6-methyl-5-(oxan-2-yloxy)oxan-2-yl]oxy-6,9,11-trihydroxy-9-(2-hydroxyacetyl)-4-methoxy-8,10-dihydro-7h-tetracene-5,12-dione

7. Sr-01000944915

8. Sr-01000944915-1

2.3 Create Date
2006-07-28
3 Chemical and Physical Properties
Molecular Weight 627.6 g/mol
Molecular Formula C32H37NO12
XLogP32.7
Hydrogen Bond Donor Count5
Hydrogen Bond Acceptor Count13
Rotatable Bond Count7
Exact Mass627.23157562 g/mol
Monoisotopic Mass627.23157562 g/mol
Topological Polar Surface Area204 Ų
Heavy Atom Count45
Formal Charge0
Complexity1120
Isotope Atom Count0
Defined Atom Stereocenter Count6
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Pharmacology and Biochemistry
4.1 MeSH Pharmacological Classification

Antineoplastic Agents

Substances that inhibit or prevent the proliferation of NEOPLASMS. (See all compounds classified as Antineoplastic Agents.)


4.2 ATC Code

L - Antineoplastic and immunomodulating agents

L01 - Antineoplastic agents

L01D - Cytotoxic antibiotics and related substances

L01DB - Anthracyclines and related substances

L01DB08 - Pirarubicin


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