Morpholine → HCID 77315, compound

A process for the preparation of long-chain carbon compounds characterized by: (a) reacting cyclododecanone with morpholine in the presence of a catalyst to form 1-morpholino-1-cyclododecene; (b) separating the 1-morpholino-1-cyclododecene and reacting it with an organic acid halide of the structural formula: ##STR4## wherein Z is a chlorine, bromine, iodine or fluorine radical and X is 0, 1, 2, 3, 4, or 5; in the presence of a tertiary amine in an organic solvent while maintaining the reaction temperature at 0°-10° C. followed by (c) hydrolysis under acidic conditions, thereafter (d) separating the 2-n-alkyl-cyclotetradecanedione and reacting with a solution of alkali metal hydroxide and diethylene glycol at 90°-110° C. followed by (e) addition of hydrazine hydrate and the reaction mixture is refluxed at 125°-135° C. thereafter (f) the distillate is removed until the temperature of the reaction mixture climbs to 190°-210° C. where it is refluxed for 3 to 20 hours with slow stirring, and then (g) cooled to 110°-125° C. followed by addition of hot (80°-95° C.) water with rapid stirring followed by (h) neutralization with aqueous acid to a pH of 2 to yield the carboxylic acid which is separated and purified by recrystallization which is then (i) dissolved in tetrahydrofuran under an inert atmosphere and has added thereto the reducing agent, borane-methyl sulfide complex with stirring and heated to 40°-45° C. for 2 to 3 hours before cooling to ambient temperature followed by the sequential addition of methanol and water to quench excess borane reagent followed by (k) separation and purification of the long-chain alcohol.

1. customA process for the preparation of long-chain carbon compounds

ORD record

ord-71d0ec0aa2e54589ab494fadd5fe5eff

Source dataset

uspto-grants-1983_01

DOI

10.6084/m9.figshare.5104873.v1

Patent number

US04367346