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Title:
BUTYROLACTONE COMPOUND, AND PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2016/072366
Kind Code:
A1
Abstract:
Provided are: a novel production method for inexpensively producing, in high yield, a photopolymerizable compound used in liquid crystal display elements or the like; and a novel intermediate compound. In a method for producing a compound represented by formula (1), a compound represented by formula (A) is reacted with a compound represented by formula (C), under acidic conditions, in the presence of metallic tin or a tin-containing compound. In a method for producing a compound represented by formula (2-A), the compound represented by formula (1) is reacted with a compound represented by formula (D), in the presence of a base. Also provided are the compound represented by formula (1) and the compound represented by formula (2-A). (In the formulae: n represents 1 or 2; J1 and J2 represent halogens; R represents a C1-6 alkyl group; Y1 represents -SO2-R2; and R represents a hydrocarbon group.)

Inventors:
GOTO, Yuichi (Ltd. Materials Research Laboratories 635, Sasakura, Fuchu-machi, Toyama-sh, Toyama 53, 〒9392753, JP)
ENDO, Masahisa (Ltd. Materials Research Laboratories 635, Sasakura, Fuchu-machi, Toyama-sh, Toyama 53, 〒9392753, JP)
SON, Gun (Ltd. Materials Research Laboratories 635, Sasakura, Fuchu-machi, Toyama-sh, Toyama 53, 〒9392753, JP)
Application Number:
JP2015/080805
Publication Date:
May 12, 2016
Filing Date:
October 30, 2015
Export Citation:
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Assignee:
NISSAN CHEMICAL INDUSTRIES, LTD. (7-1 Kanda-Nishiki-cho 3-chome, Chiyoda-ku Tokyo, 54, 〒1010054, JP)
International Classes:
C07D307/38; C07D307/42; C07B61/00
Domestic Patent References:
2005-07-07
2012-01-05
Foreign References:
US4879420A1989-11-07
Other References:
BALLINI, R. ET AL.: "A New Synthesis of exo- Methylene Butyrolactones from Nitroalkanes", SYNTHESIS, 2001, pages 1519 - 1522
NOKAMI, J. ET AL.: "Facile Synthesis of 2- Methylene-4-butyrolactones", CHEMISTRY LETTERS, 1986, pages 541 - 544, XP004029498, DOI: doi:10.1016/0040-4039(96)01125-2
FOUQUET, E. ET AL.: "Reactivity of Functionalaized Allyltrihalostannanes: An Easy Entry to a-Methylene-y-lactones", TETRAHEDRON LETTERS, vol. 34, no. 48, 1993, pages 7749 - 7752
WOODS, JR., G. F.: "5-Hydroxypentanal, Organic Syntheses", COLL., vol. 3, 1955, pages 470
STOWELL, J. C. ET AL.: "A Facile Procedure for Producing y-Halo Butyraldehyde Acetals", JOURNAL OF ORGANIC CHEMISTRY, vol. 57, no. 7, 1992, pages 2195 - 2196
CHEN, W. ET AL.: "Enantioselective Synthesis of a-exo-Methylene y-Butyrolactones via Chromium Catalysis", ORGANIC LETTERS, vol. 17, no. 21, 23 October 2015 (2015-10-23), pages 5236 - 5239
Attorney, Agent or Firm:
SENMYO, Kenji et al. (4th Floor, SIA Kanda Square 17, Kanda-konyacho, Chiyoda-k, Tokyo 35, 〒1010035, JP)
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