Process for preparing acetylene derivative from a ketone compoun

Details Process for preparing acetylene derivative from a ketone compoun Process for preparing acetylene derivative from a ketone compoun

1999-03-31

2000-10-03

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

544334, 546186, 5483001, 5483205, 5483471, 568939, 585400, 585534, 564225, 564509, 564510, C07C 1548, C07C 1554, C07C 3918

Patent

active

061275832

ABSTRACT:
A preparation process of an acetylene derivative comprising reacting a compound having a skeleton represented by the formula (1): ##STR1## in the molecular formula with a compound represented by the formula (2): ##STR2## wherein R.sup.1, R.sup.2 R.sup.3 and R.sup.4 are individually an alkyl group having 1 to 6 carbon atoms and can be the same or different, R.sup.1 and R.sup.3 can bond each other to form a ring, and R.sup.1 and R.sup.2 or R.sup.3 and R.sup.4 can be bond each other to form one or two heterocyclic rings: or with a compound represented by the formula (3): wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same as in the formula (2), and X.sub.1 is a ##STR3## chlorine, bromine or iodine atom.

REFERENCES:
patent: 3427320 (1969-02-01), Ogden

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