Naphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereof

Claim 2

A naphthalocyanine derivative represented by the formula (I): ##STR22## wherein R 1 , in number of (k+l+m+n), represent identical or different substituent represented by --(CR 2 hu3) x SiR 4 R 5 R 6 , provided that R 2 , R 3 , R 4 , R 5 and R 6 , identical or different one another, represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxyl group, an aryl group or an aryloxyl group; k, l, m and n, identical or different one another, represent an integer of 0-4, provided that (k+l+m+n) is 1 or greater; x represents an integer of 1-30, provided that the groups CR 2 R 3 in number of x may be identical or different one another; M represents Si, Ge or Sn; and Y represents an aryloxyl group, an alkoxy group, a trialkylsiloxyl group, a triarylsiloxyl group, a trialkoxysiloxyl group, a triaryloxysiloxyl group, a trityloxyl group or an acyloxyl group, provided that the two Y's may be identical or different each other.

Claim 3

A naphthalocyanine derivative according to claim 1, wherein M in the formula (I) is Si or Ge.

Claim 4

A naphthalocyanine derivative according to claim 1, wherein k, l, m and n in the formula (I) all represent a number of 1.

Claim 5

A naphthalocyanine derivative according to claim 1, wherein the two symbols Y in the formula (I) both represent a trialkylsiloxyl group.

Claim 6

A naphthalocyanine derivative according to claim 1, wherein R 2 and R 3 in the formula (I) both represent a hydrogen atom.

Claim 7

A naphthalocyanine derivative according to claim 1, wherein x in the definition of R 1 in the formula (I) is a number of 1 to 5.

Claim 8

A naphthalocyanine derivative according to claim 1, wherein 4 , R 5 and R 6 in formula (I) all represent a straight chain alkyl group.

Claim 9

An optical recording medium comprising a recording film layer, composed mainly of a naphthalocyanine derivative represented by the formula: ##STR23## wherein R 1 , in number of (K+l+m+n), represent identical or different substituent represented by --(CR 2 R 3 ) x SiR 4 R 5 R 6 , provided that R 2 , R 3 , R 4 , R 5 and R 6 , identical or different from one another, represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxyl group, an aryl group or an aryloxyl group; k, l, m and n, identical or different from one another, represent an integer of 0-4, provided that (k+l+m+n) is 1 or greater; x represents an integer of 1-30, provided that the groups CR 2 R 3 in number of x may be identical or different from one another; M represents Si, Ge or Sn; and Y represents an arlyloxyl group, an alkoxy group, a trialkylsiloxyl group, a triarylsiloxyl group, a trialkoxysiloxyl group, a triaryloxysiloxyl group, a trityloxyl group or an acyloxyl group, provided that the two Y's may be identical or different from each other, formed on a substrate.

Claim 10

An optical recording medium comprising a recording film layer, composed mainly of a naphthalocyanine derivative represented by the formula: ##STR23## wherein R 1 , in number of (K+l+m+n), represent identical or different substituent represented by --(CR 2 R 3 ) x SiR 4 R 5 R 6 , provided that R 2 , R 3 , R 4 , R 5 and R 6 , identical or different from one another, represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxyl group, an aryl group or an aryloxyl group; k, l, m and n, identical or different from one another, represent an integer of 0-4, provided that (k+l+m+n) is 1 or greater; x represents an integer of 1-30, provided that the groups CR 2 R 3 in number of x may be identical or different from one another; M represents Si, Ge or Sn; and Y represents an arlyloxyl group, an alkoxy group, a trialkylsiloxyl group, a triarylsiloxyl group, a trialkoxysiloxyl group, a triaryloxysiloxyl group, a trityloxyl group or an acyloxyl group, provided that the two Y's may be identical or different from each other, formed on a substrate.

Claim 11

An optical recording medium according to claim 8, wherein said recording film layer contains as its main component a naphthalocyanine derivative of the formula (I) wherein M is Si or Ge.

Claim 12

An optical recording medium according to claim 8, wherein said recording film layer contains as its main component a naphthalocyanine derivative of the formula (I) wherein k, l, m and n all represent a number of 1.

Claim 13

An optical recording medium according to claim 8, wherein said recording film layer contains as its main component a naphthalocyanine derivative of the formula (I) wherein the two symbols Y both represent a trialkylsiloxyl group.

Claim 14

An optical recording medium according to claim 8 wherein said recording film layer contains as its main component a naphthalocyanine derivative of the formula (I) wherein R 2 and R 3 both represent a hydrogen atom.

Claim 15

An optical recording medium according to claim 8, wherein said recording film layer contains as its main component a naphthalocyanine derivative of the formula (I) wherein x in the definition of R 1 is 1 to 5.

Claim 16

An optical recording medium according to claim 8, wherein said recording film layer contains as its main component a naphthalocyanine derivative of the formula (I) wherein R 4 , R 5 and R 6 all represent a straight chain alkyl group.

Claim 17

A process for producing an optical recording medium, which comprises forming a recording film layer on a substrate surface by the use of a solution prepared by dissolving a naphthalocyanine derivative of the formula: ##STR24## wherein R 1 , in number of (k+l+m+n), represent identical or different substituent represented by --(CR 2 R 3 ) x SiR 4 R 5 R 6 , provided that R 2 , R 3 , R 4 , R 5 and R 6 , identical or different from one another, represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxyl group, an aryl group or an aryloxyl group; k, l, m and n, identical or different from one another, represent an integer of 0-4, provided that (k+l+m+n) is 1 or greater; x represents an integer of 1-30, provided that the groups CR 2 R 3 in number of x may be identical or different from one another; M represents Si, Ge or Sn; and Y represents an arlyloxyl group, an alkoxy group, a trialkylsiloxyl group, a triarylsiloxyl group, a trialkoxylsiloxyl group, a triaryloxysiloxyl group, a trityloxyl group or an acyloxyl group, provided that the two Y's may be identical or different from each other, as a main component in an organic solvent.

Claim 18

A process for producing an optical recording medium, which comprises forming a recording film layer on a substrate surface by the use of a solution prepared by dissolving a naphthalocyanine derivative of the formula: ##STR24## wherein R 1 , in number of (k+l+m+n), represent identical or different substituent represented by --(CR 2 R 3 ) x SiR 4 R 5 R 6 , provided that R 2 , R 3 , R 4 , R 5 and R 6 , identical or different from one another, represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxyl group, an aryl group or an aryloxyl group; k, l, m and n, identical or different from one another, represent an integer of 0-4, provided that (k+l+m+n) is 1 or greater; x represents an integer of 1-30, provided that the groups CR 2 R 3 in number of x may be identical or different from one another; M represents Si, Ge or Sn; and Y represents an arlyloxyl group, an alkoxy group, a trialkylsiloxyl group, a triarylsiloxyl group, a trialkoxylsiloxyl group, a triaryloxysiloxyl group, a trityloxyl group or an acyloxyl group, provided that the two Y's may be identical or different from each other, as a main component in an organic solvent.

Claim 19

A process according to claim 15, wherein there is used a naphthalocyanine derivative of the formula (I) wherein M is Si or Ge.

Claim 20

A process according to claim 15, wherein there is used a naphthalocyanine derivative of the formula I) wherein k, l, m and n are all 1.

Claim 21

A process according to claim 15, wherein there is used a naphthalocyanine derivative of the formula (I) wherein the two symbols Y both represent a trialkylsiloxyl group.

Claim 22

A process according to claim 15, wherein there is used a naphthalocyanine derivative of the formula (I) wherein R 2 and R 3 both represent a hydrogen atom.

Claim 23

A process according to claim 15, wherein there is used a naphthalocyanine derivative of the formula (I) wherein x in the definition of R 1 is 1 to 5.

Claim 24

A process according to claim 15, wherein there is used a naphthalocyanine derivative of the formula (I) wherein R 4 , R 5 and R 6 all represent a straight chain alkyl group.

Claim 25

A naphthalocyanine derivative according to claim 1, which is bis(tri-n-butylsiloxy)silicon-tetra(trimethylsilylmethylthio)naphthalocyanine.

Claim 26

A naphthalocyanine derivative according to claim 1, which is bis(triethylsiloxy)silicon-tetra(trimethylsilylmethylthio)naphthalocyanine

Claim 27

A naphthalocyanine derivative according to claim 1, which is bis(tripropylsiloxy)silicon-tetra(trimethylsilylmethylthio)naphthalocyanine.

Claim 28

A naphthalocyanine derivative according to claim 1, which is bis(tri-n-hexylsiloxy)silicon-tetra(trimethylsilylmethylthio)naphthalocyanine.

Claim 29

An optical recording medium according to claim 8, wherein said naphthalocyanine derivative is bis(tri-n-butylsiloxy)silicon-tetra(trimethylsilylmethylthio)-naphthalocyanine.

Claim 30

An optical recording medium according to claim 15, wherein said naphthalocyanine derivative is bis(triethylsiloxy)silicon-tetra(trimethylsilylmethylthio)naphthalocyanine.

Claim 31

An optical recording medium according to claim 15, wherein said naphthalocyanine derivative is bis(tripropylsiloxy)silicon-tetra(trimethylsilylmethylthio)naphthalocyanine.

Claim 32

An optical recording medium according to claim 15, wherein said naphthalocyanine derivative is bis(tri-n-hexylsiloxy)silicon-tetra(trimethylsilylmethylthio)naphthalocyanine.

Claim 33

A process according to claim 15, wherein there is used as a naphthalocyanine derivative, bis(tri-n-butylsiloxy)-silicon-tetra(trimethylsilylmethylthio)naphthalocyanine.

Claim 34

A process according to claim 15, wherein there is used as a naphthalocyanine derivative, bis(triethylsiloxy)-silicon-tetra(trimethylsilylmethylthio)naphthalocyanine.

Claim 35

A process according to claim 15, wherein there is used as a naphthalocyanine derivative, bis(tripropylsiloxy)-silicon-tetra(trimethylsilylmethylthio)naphthalocyanine.

Claim 36

A process according to claim 15, wherein there is used as a naphthalocyanine derivative, bis(tri-n-hexylsiloxy)-silicon-tetra(trimethylsilylmethylthio)naphthalocyanine.

Claim 37

A naphthalocyanine derivative of the formula: ##STR25## wherein R 1 , in number of (k+l+m+n), represent identical or different substituent represented by --(CR 2 R 3 ) x SiR 4 R 5 R 6 , provided that R 2 , R 3 , R 4 , R 5 and R 6 , identical or different from one another, represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxyl group, an aryl group or an aryloxyl group; k, l, m and n, identical or different from one another, represent an integer of 0-4, provided that (k+l+m+n) is 1 or greater; x represents an integer of 1-30, provided that the groups CR 2 R 3 in number of x may be identical or different from one another; M represents Si, Ge or Sn.

Claim 38

A naphthalocyanine derivative of the formula: ##STR25## wherein R 1 , in number of (k+l+m+n), represent identical or different substituent represented by --(CR 2 R 3 ) x SiR 4 R 5 R 6 , provided that R 2 , R 3 , R 4 , R 5 and R 6 , identical or different from one another, represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxyl group, an aryl group or an aryloxyl group; k, l, m and n, identical or different from one another, represent an integer of 0-4, provided that (k+l+m+n) is 1 or greater; x represents an integer of 1-30, provided that the groups CR 2 R 3 in number of x may be identical or different from one another; M represents Si, Ge or Sn.

Claim 39

A naphthalocyanine derivative according to claim 34, which is dihydroxysilicon-tetra(trimethylsilylmethylthio)-naphthalocyanine.