Ube Industries, Inc.

Sankyo Company, Limited

Masahiko Kohno

Kikuo Ataka

Yasuhito Yamamoto

Hiroyuki Miyata

Naoyuki Yokota

2-silyloxy-tetrahydrothienopyridine, salt thereof and process for

There is disclosed a process for preparing a p-bromophenoxyacetaldehyde dialkylacetal derivative represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 each represent a hydrogen atom or a lower alkyl group and R.sup.3 represents an alkyl group having 1 to 6 carbon atoms, which comprises reacting a bromine to a phenoxyacetaldehyde dialkylacetal represented by the formula: ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 have the same meanings as defined above, and then the reaction mixture is treated with an alkali metal hydroxide or alcoholate dissolved in an alcohol represented by the formula:

Growing community of inventors

Ube, Japan

Masahiko Kohno