Title:
トリメチレンカーボネートを製造する方法
Document Type and Number:
Japanese Patent JP2005513129
Kind Code:
A
Abstract:
A method of synthesizing trimethylene carbonate is disclosed involving(a) reacting 1,3-propanediol and a compound chosen from phosgene and bis-chloroformates to form a polycarbonate intermediate having the structure:wherein n is at least 2; R1 is an end group chosen from H, R3-Cl, R3-OH and -C(O)Cl, where R3 is C1-C6 linear or branched alkyl and R2 is an end group chosen from -OCH2CH2CH2Cl, -OCH2CH2CH2OH and Cl; and(b) providing a combination of temperature and pressure corresponding to vapor phase conditions for trimethylene carbonate.
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Inventors:
Bowman, Mark Pee.
Cruise Burger, Charles Bee.
Cruise Burger, Charles Bee.
Application Number:
JP2003554667A
Publication Date:
May 12, 2005
Filing Date:
December 12, 2002
Export Citation:
Assignee:
Ppee Industries Industries Ohio, Inc.
International Classes:
C07B61/00; C07D319/06; (IPC1-7): C07D319/06
Attorney, Agent or Firm:
Hidesaku Yamamoto
Takaaki Yasumura
Natsuki Morishita
Takaaki Yasumura
Natsuki Morishita