(6Z,9Z)-6,9-dodecadien-1-yne and a process for preparing the same
AssigneeShin-Etsu Chemical Co., Ltd.
InventorsYuki Miyake, Takeshi Kinsho, Ryo Komatsu
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Abstract
The present invention provides (6Z,9Z)-6,9-dodecadien-1-yne of the following formula (1). Further, the present invention provides a process for preparing (6Z,9Z)-6,9-dodecadien-1-yne (1): the process comprising reacting a (3Z,6Z)-10-halo-3,6-decadiene compound of the following general formula (2), wherein X represents a halogen atom with a metal acetylide of the following general formula (3), wherein M represents Na, Li, K, Ag, Cu (I), MgZ, CaZ, or Cu(II)Z, wherein Z represents a halogen atom or an ethinyl group to form (6Z,9Z)-6,9-dodecadien-1-yne (1).
Claims5
(6Z,9Z)-6,9-dodecadien-1-yne of the following formula (1):
A process for preparing (6Z,9Z)-6,9-dodecadien-1-yne of the following formula (1):
- the process comprising:
- reacting a (3Z,6Z)-10-halo-3,6-decadiene compound of the following general formula (2):
- wherein X represents a halogen atom
- with a metal acetylide of the following general formula (3):
- MC≡CH (3)
- wherein M represents Na, Li, K, Ag, Cu (I), MgZ, CaZ, or Cu(II)Z, wherein Z represents a halogen atom or an ethinyl group
- to form (6Z,9Z)-6,9-dodecadien-1-yne (1).
A process for preparing (8Z,11Z)-8,11-tetradecadien-3-yn-1-ol of the following formula (4):
- the process comprising:
- reacting (6Z,9Z)-6,9-dodecadien-1-yne (1) with a base;
- and
- subjecting a reaction mixture thus obtained to a homologation reaction with ethylene oxide to form (8Z,11Z)-8,11-tetradecadien-3-yn-1-ol (4).
Dependencies are inferred from the claim text.