Total synthesis of heliannuol B, an allelochemical from Helianthus annuus was written by Roy, Amalesh;Biswas, Bidyut;Sen, Prabir K.;Venkateswaran, Ramanathapuram V.. And the article was included in Tetrahedron Letters in 2007.Application In Synthesis of 4-(Benzyloxy)-3-methylphenol The following contents are mentioned in the article:
A total synthesis of the allelochem. heliannuol B (I) is described employing ring closing metathesis to generate the central benzoxepane ring system. This study involved multiple reactions and reactants, such as 4-(Benzyloxy)-3-methylphenol (cas: 100927-02-4Application In Synthesis of 4-(Benzyloxy)-3-methylphenol).
4-(Benzyloxy)-3-methylphenol (cas: 100927-02-4) belongs to ethers. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. Application In Synthesis of 4-(Benzyloxy)-3-methylphenol
Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem