Production of primary or secondary alcohol derivatives of phospholipids by the enzymatic technique

Claim 2

A process for producing a primary or secondary alcohol derivative of a phospholipid represented by the following formula (I) wherein A and R are as defined below, which comprises reacting a phospholipid represented by the following formula (II) wherein A is a moiety represented by the following formula (i) or the following formula (ii) in which R 1 and R 2 both represent -O-COR 11 or -O-R 12 , or R 1 and R 2 in formula (i) together represent in which n represents a number of from 11 to 19, and R 11 and R 12 are identical or different and each represents a saturated or unsaturated aliphatic hydrocarbon group having 7 to 21 carbon atoms, and B represents the group (̵CH 2 ) 2 (CH 3 ) 3' (̵CH 2 ) 2 NH 2 , -CH 2 CH(NH 2 )COOH, -CH 2 CH 2 NH(CH 3 ), -CH 2 CH 2 N(CH 3 ) 2 , -CH 2 CHOHCH 2 OH or fCH2}mH in which m represents a number of from 1 to 5, with a primary or secondary alcohol selected from the group consisting of (1) primary alcohols containing a residue R of a saturated or unsaturated aliphatic or aromatic hydrocarbon having 6 to 26 carbon atoms (excepting hexanol), said hydrocarbon residue being optionally substituted by a substituent selected from the class consisting of halogen, amino, acetyl, carboxyl and hydroxyl, or a residue R of said aliphatic or aromatic hydrocarbon having in the molecule a linkage selected from ether, ester and amide linkages, (2) primary alcohols having a residue R of a pregnane-type steroidal compound, (3) primary alcohols having a residue R of a heterocyclic compound selected from the group consisting of galactono-gamma-lactone, N-(2-hydroxyethyl)phthalimide, 2-(3-indole)ethanol, 2-(2-hydroxyethyl)pyridine, pyridoxine, N-(2-hydroxyethyl)morpholine, 5-hydroxymethylcytosine, cytidine, uridine, arabinocytidine, thiamine, 2-(2-hydroxyethyl)piperazine, adenosine, guanosine and cyclocytidine, and (4) secondary alcohols having a C 3 -C 10 linaer or branched alkyl group R which may be substituted by a substituent selected from the class consisting of halogen, amino, acetyl, hydroxyl, mono- or di-alkylamino of not more than 3 carbon atoms and phenyl, or a C 4 -C 8 alicyclic hydrocarbon group R which may be substituted by by said substituent, in the presence of phospholipase DM.

Claim 3

A process according to claim 1 wherein the phospholipid of formula (II) is selected from the group consisting of lecithin, cephalin, phosphatidyl serine, phosphatidyl N-methylethanolamine, phosphatidyl glycerol, phosphatidyl N,N-dimethylethanolamine and alkyl esters of phosphatidic acid.

Claim 4

A process according to claim 1 or 2 wherein the primary or secondary alcohol is selected from (1) 1-heptanal, 1-octanol, 2-ethyl-l-hexanol, 1-nonanol, l-decanol, 1-undecanol, 1-dodecanol, 1-tetradecanol, 1-hexadecanol, 1-octadecanol, 1-docosanol, 1- eicosanol, 1-hexacosanol, geraniol, citronellol, farnesol, phytol, 1,6-hexanediol, 1,2,6-hexanetriol, sorbitol, mannitol, 2-n-butyl-2-ethyl-1,3-propanediol, 2-ethyl-l,3-hexanediol, 1,1,1-tris(hydroxymethyl)propane, 3,3-bis-(hydroxymethyl)heptane, 1,10-decanediol, 1,12-dodecanediol, trimethylol propanol, dipentaerythritol, 6-amino-l-hexanol, triethanolamine, N-butyl-diethanolamine, serine ethyl ester, dihydroxyethylglycine, sphingosine, N-methyl pentanolamine, N-methyl hexanolamine, N-ethyl butanolamine, N-ethyl pentanolamine, N-ethyl hxanolamine, N-propyl propanolamine, N-propyl butanolamine, N-propyl pentanolamine, N-propyl hexanolamine, N-butyl ethanolamine, N-butyl propanolamine, N-butyl butanolamine, N-butyl pentanolamine, N-butyl hxanolamine, N-pentyl ethanolamine, N-hexyl ethanolamine, N,N-dimethyl butanolamine, N,N-dimethyl pentanolamine, N,N-dimethyl hexanolamine, N,N-diethyl ethanolamine, N,N-diethyl propanolamine, N,N-diethyl butanolamine, N,N-diethyl pentanolamine, N,N-diethyl hexanolamine, N,N-dipropyl ethanolamine, N,N-dipropyl propanolamine, N,N-dipropyl butanolamine, N,N-dipropyl pentanolamine, N,N-dipropyl hexanolamine, N,N-dibutyl propanolamine, N,N-dibutyl butanolamine, N,N-dibutyl pentanolamine, N,N-dibutyl hexanolamine, N,N-dipentyl ethanolamine, N,N-dihexyl ethanolamine, N,N,N-trimethyl propanolamine, N,N,N-trimethyl butanolamine, N,N,N-trimethyl pentanolamine, N,N,N-trimethyl hexanolamine, N,N,N-triethyl ethanolamine, N,N,N-triethyl propanolamine, N,N,N-triethyl butanolamine, N,N,N-triethyl pentanolamine, N,N,N-triethyl hexanolamine, N,N,N-tripropyl ethanolamine, N,N,N-tripropyl propanol amine, N,N,N-tripropyl butanolamine, N,N,N-tripropyl pentanolamine, N,N,N-tripropyl hexanolamine, N,N,N-tributyl ethanolamine, N,N,N-tributyl propanolamine, N,N,N-tributyl butanolamine, N,N,N-tributyl pentanolamine, N,N,N-tributyl hexanolamine, N,N,N-tripentyl ethanolamine, N,N,N-trihexyl ethanolamine, N,N-dibutyl ethanolamine, N-(3-aminopropyl)-diethanolamine, 16-hydroxyhexadecanoic acid, gluconic acid, monolaurin, monoolein, 1,2-dilaurin, 1,2-distearin, 2-hydroxyethyl methacrylate, ethylene glycol monolaurate, diethylene glycol monolaurate, ethylene glycol monostearate, diethylene glycol monostearate, ethylene glycol monooleate, diethylene glycol monooleate, ethylene glycol monoplamitate, diethylene glycol monoplamitate, pantothenyl alcohol, pantetheine, tri-L-serine, L-seryl-L-leucine, L-seryl-L-methionine, L-seryl-L-arginine, L-seryl-L-lysine, L-seryl-L-glutamine, N-capriloyl ethanolamine, N-caproyl ethanolamine, N-lauroyl ethanolamine, N-myristoyl ethanolamine, N-palmitoyl ethanolamine, N-stearoyl ethanolamine, N-oleoyl ethanolamine, N-palmitoleoyl ethanolamine, L-linoloyl ethanolamine, N-linolenoyl ethanolamine, N-arachidonoyl ethanolamine, N-eicosanoyl ethanolamine, N-docosanoyl ethanolamine, L-seryl-L-histidine, and L-seryl-L-tryptophan, triethylene glycol, diethylene glycol monobutyl ether, ethylene glycol monolauryl ether, diethylene glycol monolauryl ether, ethylene glycol monocetyl ether, diethylene glycol monocetyl ether, ethylene glycol monostearyl ether, diethylene glycol monostearyl ether, ethylene glycol monooleyl ether, diethylene glycol mono oleyl ether, ethylene glycol monobutyl ether, ethylene glycol mono(2-diethylaminoethyl) ether, ethylene glycol monohexyl ether, ethylene glycol monotolyl ether, diethylene glycol monoethyl ether, diethylene glycol monohexyl ether, tetraethylene glycol, pentaethylene glycol, hexaethylene glycol, octaethylene glycol, decaethylene glycol, dodecaethylene glycol, benzyl alcohol, beta-phenethyl alcohol, 3-phenyl-l-propanol, cinnamyl alcohol, L-seryl-L-tyrosine, L-seryl-L-phenylalanine, L-serine benzyl ester, L-serine beta-naphthylamide, N-dinitrophenyl-L-serine, N-(1-dimethylaminonaph- thalene-5-sulfonyl)-L-serine, ethyelne glycol monobenzyl ether, ethylene glycol monooctylphenol ether, diethylene glycol monooctylphenol ether, ethylene glycol monononylphenol ether, diethylene glycol monononylphenol ether, p-chlorobenzyl alcohol, p-aminophenethyl alcohol, N-ethyl-N-(2-hydroxyethyl)-m-toluidine, beta-hydroxyethylaniline, N-(2-cyanoethyl)-N-(2-hydroxyethyl)aniline, N-phenyldiethanolamine, anisic alcohol, l,4-di(2-hydroxyethoxy) - benzene, ethylene glycol monophenyl ether, mephenesin, 2-hydroxyethyl salicyclic acid, ethylene glycol monochlorophenyl ether, 6-chlorohexanol, 0,0-bis(2-hydroxyethyl)tetrabromobisphenol, 2-naphthalene ethanol, retinol, and 1,4-dihydroxymethylcyclohexane; (2) aldosterone, corticosterone, cortisone, dehydrocorticosterone, deoxycorticosterone, hydrocortisone, prednisolone, prednisone, tetrahydrocortisol, tetrahydro- cortisone and triamcinolone; (3) galactone-gamma-lactone, N-(2-hydroxyethyl)-phthalimide, 2-(3-indole)ethanol, 2-(2-hydroxyethyl)-pyridine, pyridoxine, pyridoxal, pyridoxamine, N-(2-hydroxyethyl)morpholine, 5-hydroxymethylcytosine, cytidine, uridine, arabinocytidine, adenosine, guanosine, cyclocytidine, adenine deoxyriboside, cytosine deoxyriboside, guanine deoxyriboside, 5-hydroxymethyluracil, thyminedeoxy- riboside, uracil deoxyriboside, inosine, orotidine, 2-(2-hydroxyethyl)piperazine, thiamine and toxopyrimidine; and (4) 2-propanol, 2-butanol, 2-pentanol, 3-pentanol, 4-methyl-2-pentanol, 2-hexanol, 3-hexanol, l-hexen-3-ol, 2-heptanol, 3-heptanol, 2-octanol, 2- nonanol, 3-nonanol, 2-decanol, 3-decanol, 2,3-butanediol, 2-methyl-2,4-pentanediol, 1-chloro-2-propanol, 1-bromo-2-butanol, l-amino-2-propanol, diisopropanolamine, 1-amino-2-butanol, 3-hydroxy-2 - butanone, ethyl lactate, beta-hydroxybutyric acid, dipropylene glycol, 1-phenylethanol, 1-phenyl-2-propanol, p-chlorophenylmethyl carbinol, alpha-(1-aminoethyl)-p-hydroxybenzyl alcohol, diphenyl methanol, cyclobutanol, cyclopentanol, cyclohexanol, cyclooctanol, 2-chlorocyclohexanol, and 1,4-dihydroxycyclohexane.

Claim 5

A process according to claim 1, 2 or 3 wherein the phospholipid is contacted with the primary or secondary alcohol in the presence of the phospholipase DM at a temperature of 0°C to 90°C.

Claim 6

A primary or secondary alcohol derivative of a phospholipid of formula wherein A and R are as defined in claim 1.