pimara-7,15-diene

CAS: 21561-91-1 C20 H32 MW: 272.47504000

Identification

Namepimara-7,15-diene
IUPAC(2R,4aR,4bS,8aR)-2-ethenyl-2,4b,8,8-tetramethyl-3,4,4a,5,6,7,8a,9-octahydro-1H-phenanthrene
CAS Number21561-91-1
FDA UNIISearch
Molecular FormulaC20 H32
Molecular Weight272.47504000
Nikkaji NumberJ3.113.735G

Regulatory

Physical Properties

Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Soluble in water, 0.001413 mg/L @ 25 °C (est)

No sensory data available

Safety Information

Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categorynatural substances and extractives
Recommendation for pimara-7,15-diene usage levels up tonot for fragrance use.
Recommendation for pimara-7,15-diene flavor usage levels up tonot for flavor use.

No supplier data available

Potential Uses

None Found

Natural Occurrence

picea chihuahuana leaf picea martinezii leaf rice

Synonyms

(2R,4aR,4bS,8aR)-2- ethenyl-2,4b,8,8-tetramethyl-3,4,4a,5,6,7,8a,9-octahydro-1H-phenanthrene 9beta- pimara-7,15-diene 7,15- pimaradiene PubMed: HpDTC1, a Stress-Inducible Bifunctional Diterpene Cyclase Involved in Momilactone Biosynthesis, Functions in Chemical Defence in the Moss Hypnum plumaeforme. PubMed: Identification of UV-Induced Diterpenes Including a New Diterpene Phytoalexin, Phytocassane F, from Rice Leaves by Complementary GC/MS and LC/MS Approaches. PubMed: Identification of a degradation intermediate of the momilactone A rice phytoalexin by the rice blast fungus. PubMed: Simultaneous quantification of diterpenoids in Premna integrifolia using a validated HPTLC method. PubMed: CYP99A3: functional identification of a diterpene oxidase from the momilactone biosynthetic gene cluster in rice. PubMed: Functional characterization of the rice kaurene synthase-like gene family. PubMed: Diterpene cyclases responsible for the biosynthesis of phytoalexins, momilactones A, B, and oryzalexins A-F in rice. PubMed: Identification of syn-pimara-7,15-diene synthase reveals functional clustering of terpene synthases involved in rice phytoalexin/allelochemical biosynthesis. PubMed: Microbial transformation of 18-hydroxy-9,13-epi-ent-pimara-7,15-diene by Gibberella fujikuroi. PubMed: Biosynthesis of rice phytoalexin: enzymatic conversion of 3beta-hydroxy-9beta-pimara-7,15-dien-19,6beta-olide to momilactone A. PubMed: Diterpenes from Sideritis trojana. PubMed: The biotransformation of 18-hydroxy-9-epi-ent-pimara-7,15-diene by Gibberella fujikuroi. PubMed: Biosynthesis of cyclic diterpene hydrocarbons in rice cell suspensions: conversion of 9,10-syn-labda-8(17),13-dienyl diphosphate to 9beta-pimara-7,15-diene and stemar-13-ene. PubMed: Biosynthesis of rice phytoalexins: identification of putative diterpene hydrocarbon precursors.