Phylloquinone
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Phylloquinone
IUPAC name	2-methyl-3- (3,7,11,15-tetramethylhexadec-2-enyl) naphthalene-1,4-dione
Identifiers
CAS number
PubChem	4812
SMILES	CC1=C(C(=O)C2=CC=CC=C2C1=O) CC=C(C)CCCC(C)CCCC(C)CCCC(C)C
Properties
Molecular formula	C31H46O2
Molar mass	450.69574
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Phylloquinone is a polycyclic aromatic ketone, based on 2-methyl-1,4-naphthoquinone, with a 3-phytyl substituent. It is often called vitamin K₁.

It is a fat-soluble vitamin that is stable to air and moisture but decomposes in sunlight. It is found naturally in a wide variety of green plants.

Phylloquinone is also an antidote for coumatetralyl.

A stereoisomer of phylloquinone is called vitamin k₁ (note the difference in capitalization).

Phytonadione (Vit K1), mechanism of action is to stimulate factors II (prothrombin), VII, IX &X formation by the liver. Vit K1 is commonly used to treat Warfarin toxicity.

See also

• Vitamin K

External links

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