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Absolute configuration of fibaruretin B.

ABSTRACT: The title furan-oditerpenoid, known as fibaruretin B (systematic name: 2?,3?-dihy-droxy-2,3,7,8?-tetra-hydro-penianthic acid lactone), C(20)H(24)O(7), was isolated from the roots of Arcangelisia flava. The absolute configurations at positions 2, 3, 4, 4a, 7, 9, 10a and 10b of fibaruretin B are S, R, S, R, S, S, S and S, respectively. In the crystal structure, the mol-ecules are linked into infinite chains along the c axis by O-H?O hydrogen bonds and weak C-H?O inter-actions.

SUBMITTER: Fun HK 

PROVIDER: S-EPMC3089215 | biostudies-literature | 2011 May

REPOSITORIES: biostudies-literature

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Absolute configuration of fibaruretin B.

Fun Hoong-Kun HK   Salae Abdul Wahab AW   Razak Ibrahim Abdul IA   Khairuddean Melati M   Chantrapromma Suchada S  

Acta crystallographica. Section E, Structure reports online 20110429 Pt 5

The title furan-oditerpenoid, known as fibaruretin B (systematic name: 2β,3α-dihy-droxy-2,3,7,8α-tetra-hydro-penianthic acid lactone), C(20)H(24)O(7), was isolated from the roots of Arcangelisia flava. The absolute configurations at positions 2, 3, 4, 4a, 7, 9, 10a and 10b of fibaruretin B are S, R, S, R, S, S, S and S, respectively. In the crystal structure, the mol-ecules are linked into infinite chains along the c axis by O-H⋯O hydrogen bonds and weak C-H⋯O inter-actions. ...[more]

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