Sie suchten nach: hydrogenation (Spanisch - Englisch)

phloretic acid is found in the rumen of sheep fed with dried grass and is produced by hydrogenation of the 2-propenoic side chain of p-coumaric acid.
phloretic acid is found in the rumen of sheep fed with dried grass and is produced by hydrogenation of the 2-propenoic side chain of p-coumaric acid.

subsequent hydrogenation of 13 followed by intramolecular cyclization with aluminium chloride forms the b ring and (+)-totarylmethyl ether which is demethylated by boron tribromide to yield (+)-totarol.
subsequent hydrogenation of 13 followed by intramolecular cyclization with aluminium chloride forms the b ring and (+)-totarylmethyl ether which is demethylated by boron tribromide to yield (+)-totarol.

the first total synthesis of totarol (scheme 3) utilized 6 and the 7 grignard to yield 8 which was converted to the corresponding ketone 9 via hydrogenation followed by cyclization with polyphosphoric acid.
the first total synthesis of totarol (scheme 3) utilized 6 and the alkyne 7 to yield 8 which was converted to the corresponding ketone 9 via hydrogenation followed by cyclization with polyphosphoric acid.

[distillate from the hydrogenation of hydrocracked middle distillate from coal extract or solution produced by the liquid solvent extraction or supercritical gas extraction processes and boiling in the range of approximately 180 °c to 280 °c (356 °f to 536 °f).
[distillate from the hydrogenation of hydrocracked middle distillate from coal extract or solution produced by the liquid solvent extraction or supercritical gas extraction processes and boiling in the range of approximately 180 °c to 280 °c (356 °f to 536 °f).