Example 1
Compound (3A) was obtained with reference to the method for producing compound (ii-2) described in WO2014/126064.
CF3 CF2—OCF2 CF2—(OCF2 CF2 CF2 CF2 OCF2 CF2)n—OCF2 CF2 CF2—C(O)NH—CH2 CH2 CH2—Si(OCH3)3 (3A)
Average of number n of units: 13, number average molecular weight of compound (3A): 4,920
Example 4
Compound (1-1C) was obtained in accordance with the method described in Preparation Example 15 of Japanese Patent No. 5761305.
CF3(OCF2 CF2)15(OCF2)16 OCF2 CH2 OCH2 CH2 CH2 Si[CH2 CH2 CH2 Si(OCH3)3]3 (1-1C)
Mn of compound (1-1C): 3,600
Example 8
In accordance with Example 4 in JP-A-2015 —199906, compound (1-3B) was obtained.
In the above formula (1-3B), p1:q≈47:53, p1+q1=43.
Mn of compound (1-3B): 4,800