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KR940000421A - Method for preparing L-phenylalanine methyl ester salt - Google Patents

Method for preparing L-phenylalanine methyl ester salt Download PDF

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Publication number
KR940000421A
KR940000421A KR1019920009897A KR920009897A KR940000421A KR 940000421 A KR940000421 A KR 940000421A KR 1019920009897 A KR1019920009897 A KR 1019920009897A KR 920009897 A KR920009897 A KR 920009897A KR 940000421 A KR940000421 A KR 940000421A
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KR
South Korea
Prior art keywords
methyl ester
phenylalanine methyl
preparing
ester salt
mixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
KR1019920009897A
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Korean (ko)
Inventor
한민수
현일
노홍식
Original Assignee
유영학
주식회사 미원
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Application filed by 유영학, 주식회사 미원 filed Critical 유영학
Priority to KR1019920009897A priority Critical patent/KR940000421A/en
Publication of KR940000421A publication Critical patent/KR940000421A/en
Withdrawn legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

본 발명은 L-페닐알라닌 메틸 에스테를 제조하는데 있어서, H2SO4에 SO3또는 H2S2O7을 10∼35% 혼합한 혼합액을 사용하여 반응시 생성되는 물을 제거하도록 하여 고수율로 L-페닐알라닌 메틸 에스테르를 제조할 수 있도록 한 것이다.In the present invention, in the preparation of L-phenylalanine methyl ester, using a mixture of 10 to 35% of SO 3 or H 2 S 2 O 7 in H 2 SO 4 to remove the water generated during the reaction in a high yield It is to be able to prepare L-phenylalanine methyl ester.

Description

L-페닐알라닌 메틸 에스테르염의 제조방법Method for preparing L-phenylalanine methyl ester salt

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (3)

L-페닐알라닌 메틸 에스테르를 제조하는데 있어서, L-페닐알라닌-메탄올 용액에 H2SO4,과 SO3또는 H2S2O7,의 혼합물을 저온에서 주입한 후 다시 50∼90℃에서 추가반응시킴을 특징으로 하는 L-페닐알라닌 메틸 에스테르의 제조방법.In preparing L-phenylalanine methyl ester, a mixture of H 2 SO 4 , SO 3 or H 2 S 2 O 7 , was injected into the L-phenylalanine-methanol solution at low temperature, and then further reacted at 50 to 90 ° C. Method for producing L-phenylalanine methyl ester, characterized in that. 제1항에 있어서, SO3나 H2S2O7, 를 황산에 10∼35%로 혼합함을 특징으로 하는 방법.The method of claim 1, wherein SO 3 or H 2 S 2 O 7 , is mixed with sulfuric acid at 10 to 35%. 제1항에 있어서, 황산과 SO3또는 H2S2O7의 혼합액을 주입시킬 때 온도를 5℃이하로 함을 특징으로 하는 방법.The method according to claim 1, wherein the temperature is 5 ° C or lower when injecting a mixture of sulfuric acid and SO 3 or H 2 S 2 O 7 . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920009897A 1992-06-08 1992-06-08 Method for preparing L-phenylalanine methyl ester salt Withdrawn KR940000421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920009897A KR940000421A (en) 1992-06-08 1992-06-08 Method for preparing L-phenylalanine methyl ester salt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920009897A KR940000421A (en) 1992-06-08 1992-06-08 Method for preparing L-phenylalanine methyl ester salt

Publications (1)

Publication Number Publication Date
KR940000421A true KR940000421A (en) 1994-01-03

Family

ID=67296528

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920009897A Withdrawn KR940000421A (en) 1992-06-08 1992-06-08 Method for preparing L-phenylalanine methyl ester salt

Country Status (1)

Country Link
KR (1) KR940000421A (en)

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19920608

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid