Synthesis of oligoethylene glycol ethers from the seed oil of  Vernonia anthelmintica | Zendy

Singh Sukhprit | Zendy

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Synthesis of oligoethylene glycol ethers from the seed oil of Vernonia anthelmintica

Author(s) -

Singh Sukhprit

Publication year - 1997

Publication title -

journal of the american oil chemists' society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.512

H-Index - 117

eISSN - 1558-9331

pISSN - 0003-021X

DOI - 10.1007/s11746-997-0190-1

Subject(s) - chemistry , saponification , boron trifluoride , methanol , organic chemistry , catalysis

The seed oil of Vernonia anthelmintica on reaction with diols (mono‐, di‐, tri‐, or tetraethylene glycols) in the presence of boron trifluoride etherate, followed by saponification and esterification (methanol/H + ), gives the oligoethylene glycol ethers: methyl 12(13)‐hydroxy‐13(12) [2‐hydroxy‐ethyl‐1‐oxy]‐octadec‐9‐enoate; methyl 12(13)‐hydroxy‐13(12)‐[5‐hydroxy‐3‐oxapentyl‐1‐oxy]‐octadec‐9‐enoate; methyl 12(13)‐hydroxy‐13(12)‐[8‐hydroxy‐3,6‐dioxaoctyl‐1‐oxy]‐octadec‐9‐enoate; and methyl 12(13)‐hydroxy‐13(12)‐[11‐hydroxy‐3,6,9‐trioxaundecyl‐1‐oxy]‐octadec‐9‐enoate. Methyl 12,13‐dihydroxyoctadec‐9‐enoate is a co‐product in all reactions.

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