Coelogin

Coelogin
	; Chemical structure of coelogin
Names
	Preferred IUPAC name 4,5-Dimethoxy-6,7-dihydro-2H-naphtho[8,1,2-cde][1]benzopyran-3,9-diol
	Other names 2,6-Dihydroxy-7,8-dimethoxy-9,10-dihydro-5H-phenanthro[4,5-bcd]pyran
Identifiers
CAS Number	82358-31-4;
3D model (JSmol)	Interactive image;
ChemSpider	391053;
KEGG	C10251;
PubChem CID	442697;
UNII	YXK63FJ32R ;
CompTox Dashboard (EPA)	DTXSID50331912 ;
	InChI InChI=1S/C17H16O5/c1-20-16-10-4-3-8-5-9(18)6-12-13(8)14(10)11(7-22-12)15(19)17(16)21-2/h5-6,18-19H,3-4,7H2,1-2H3 Key: QLYYIQVXUQYKGV-UHFFFAOYSA-N; InChI=1/C17H16O5/c1-20-16-10-4-3-8-5-9(18)6-12-13(8)14(10)11(7-22-12)15(19)17(16)21-2/h5-6,18-19H,3-4,7H2,1-2H3 Key: QLYYIQVXUQYKGV-UHFFFAOYAH;
	SMILES COC1=C(C(=C2COC3=C4C2=C1CCC4=CC(=C3)O)O)OC;
Properties
Chemical formula	C17H16O5
Molar mass	300.310 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Coelogin is a phenanthrenoid found in the high altitude Himalayan orchid Coelogyne cristata. This molecule has a phenanthro[4,5-bcd]pyran structure.^[1]^[2]

References

^ Majumder, Priyalal; Bandyopadhyay, Debabrata; Joardar, Subhendu (1982). "Coelogin and coeloginin: Two novel 9,10-dihydrophenanthrene derivatives from the orchid Coelogyne cristata". Journal of the Chemical Society, Perkin Transactions 1: 1131. doi:10.1039/P19820001131.
^ Majumder, P. L; Sen, S; Majumder, S (2001). "Phenanthrene derivatives from the orchid Coelogyne cristata". Phytochemistry. 58 (4): 581–6. Bibcode:2001PChem..58..581M. doi:10.1016/s0031-9422(01)00287-4. PMID 11576602.

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[1] Majumder, Priyalal; Bandyopadhyay, Debabrata; Joardar, Subhendu (1982). "Coelogin and coeloginin: Two novel 9,10-dihydrophenanthrene derivatives from the orchid Coelogyne cristata". Journal of the Chemical Society, Perkin Transactions 1: 1131. doi:10.1039/P19820001131.

[2] Majumder, P. L; Sen, S; Majumder, S (2001). "Phenanthrene derivatives from the orchid Coelogyne cristata". Phytochemistry. 58 (4): 581–6. Bibcode:2001PChem..58..581M. doi:10.1016/s0031-9422(01)00287-4. PMID 11576602.

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