| CPC C08G 64/38 (2013.01) [C08G 64/0208 (2013.01); C08G 64/06 (2013.01); C08G 64/1608 (2013.01)] | 7 Claims |
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1. A method for producing a polycarbonate,
the method comprising the step of irradiating a light to a composition comprising a C1-4 halogenated hydrocarbon, a diol compound and a base in the presence of oxygen,
wherein the base is pyridine, picoline or lutidine, and
wherein the diol compound is any one of the compounds represented by the following formulae (I1) to (I6):
 wherein
R1 and R2 are independently —(CR5R6)q1— or —(—O—(CR5R6)q2—)q3—wherein R5 and R6 are independently H or a C1-6 alkyl group, q1 is an integer of 0 or more and 10 or less, q2 is an integer of 1 or more and 10 or less, q3 is an integer of 1 or more and 10 or less, and when q1 or q2 is an integer of 2 or more, a plurality of R5 or R6 may be the same as or different from each other,
R3 and R4 are independently one or more halogeno groups selected from the group consisting of chloro, bromo and iodo, a C1-20 aliphatic hydrocarbon group, a C1-20 alkoxy group, a C3-20 cycloalkyl group, a C6-20 aromatic hydrocarbon group, a C7-20 aralkyl group, a C6-20 aromatic hydrocarbon oxy group or a C3-20 cycloalkoxy group,
X1 is the following group:
 wherein
R7 and R8 are independently H, one or more halogeno groups selected from the group consisting of chloro, bromo and iodo, a C1-20 aliphatic hydrocarbon group optionally having a substituent a, a C1-20 alkoxy group optionally having a substituent α, a C6-20 aromatic hydrocarbon group optionally having a substituent β, or R7 and R8 may bind together to form a C3-20 carbon ring or a 5-12 membered hetero ring,
R9 and R10 are independently H or a C1-6 alkyl group, and when r1 is an integer of 2 or more, a plurality of R9 or R10 may be the same as or different from each other,
R11 to R18 are independently one or more halogeno groups selected from the group consisting of chloro, bromo and iodo, a C1-20 aliphatic hydrocarbon group optionally having a substituent α, a C1-20 alkoxy group optionally having a substituent α, or a C6-12 aromatic hydrocarbon group optionally having a substituent β,
R19 is a C1-9 alkylene group optionally having a substituent α,
r1 is an integer of 1 or more and 20 or less,
r2 is an integer of 1 or more and 500 or less,
p1 and p2 are independently integers of 0 or more and 4 or less,
substituent α is one or more substituents selected from the group consisting of a C1-6 alkoxy group, a C1-7 acyl group, one or more kinds of halogeno groups selected from the group consisting of chloro, bromo and iodo, an amino group, a nitro group, a cyano group and a carbamoyl group,
substituent β is one or more substituents selected from the group consisting of a C1-6 alkyl group, a C1-6 alkoxy group, a C1-7 acyl group, one or more kinds of halogeno groups selected from the group consisting of chloro, bromo and iodo, an amino group, a nitro group, a cyano group and a carbamoyl group,
 wherein R1 and R2 have the same meanings as the above, and X2 has the same meaning as X1,
HO—R1—X3—R2—OH(I3)
wherein R1 and R2 have the same meanings as the above, and X3 is a C15-32 divalent aromatic hydrocarbon group,
HO—R20—X4—R21—OH(I4)
wherein R20 and R21 are independently-(CR5R6)m1— or —(—O—(CR5R6)m2—)m3—, wherein R5 and R6 have the same meanings as the above, m1 is an integer of 1 or more and 10 or less, m2 is an integer of 1 or more and 10 or less, m3 is an integer of 1 or more and 10 or less, and when m1 or m2 is an integer of 2 or more, a plurality of R5 or Re may be the same as or different from each other, and X4 is a divalent group comprising one or more hydrocarbon rings or hetero ring,
HO—R1—X5—R2—OH (I5)
wherein R1 and R2 have the same meanings as the above, and X5 is a divalent saturated heterocycle group,
 wherein X6 is a C1-10 alkylene group, and n is an integer of 13 or more and 50 or less.
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