Nippon Shokubai Co., Ltd.

Tomonori Shinokura

Takashi Abe

Shin-ya Imoto

Morihiro Kitamura

A neutral complex of a cyclic silane characterized in being represented by the general formula [Y][SiZH]. (In the formula: Y is at least one kind of coordination compound selected from a group consisting of (1) compounds represented as XR. (when Xis P, P&#x2550;O or N, n=3 and each Rrepresents a substituted or unsubstituted alkyl group or aryl group and Rs are the same or different; when Xis S, S&#x2550;O or O, n=2 and each Rrepresents the same group as described above and Rs are the same or different; and the number of amino groups in XRis 0 or 1), and (2) at least one heterocyclic compound selected from the group consisting of substituted or unsubstituted N&#x2014;, O&#x2014;, S &#x2014;or P&#x2014; containing heterocyclic compounds that have an unshared electron pair in the ring (the number of amino groups in the heterocyclic compound is 0 or 1), each Z represents a halogen atom of any of Cl, Br, I and F and Zs are the same or different, l is 1 or 2, m is 3 to 8, and a is 0 to m.

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Osaka, Japan

Tomonori Shinokura