MD30C2 - Procedeu de obţinere a 4,1', 6'-triclor- 4,1', 6'-tridezoxigalactozaharozei - Google Patents

Procedeu de obţinere a 4,1', 6'-triclor- 4,1', 6'-tridezoxigalactozaharozei

Info

Publication number
MD30C2
MD30C2 MD94-0106A MD940106A MD30C2 MD 30 C2 MD30 C2 MD 30C2 MD 940106 A MD940106 A MD 940106A MD 30 C2 MD30 C2 MD 30C2
Authority
MD
Moldova
Prior art keywords
chlorination
fenyl
obtaining
acetylsaccharose
tgz
Prior art date
Application number
MD94-0106A
Other languages
English (en)
Russian (ru)
Other versions
MD30B1 (ro
Inventor
Jackson Graham
Ralph Jenner Michael
Waite David
Clive Williams John
Original Assignee
Tate & Lyle Public Limited Company
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from SU803221447A external-priority patent/SU1176844A3/ru
Application filed by Tate & Lyle Public Limited Company filed Critical Tate & Lyle Public Limited Company
Publication of MD30B1 publication Critical patent/MD30B1/ro
Publication of MD30C2 publication Critical patent/MD30C2/ro

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  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

Invenţia se referă la procedeul de obţinere a agentului de îndulcire eficient 4,1′,6′-triclor-4,1′,6′-tridezoxigalactozaharoză (TGZ). Sarcina principală a sintezei TGZ constă în clorurarea poziţiilor 4,1′ şi 6′ ale moleculelor zaharozei fără clorurarea altor poziţii. Procedeul include prelucrarea 2,3,4,3′4′-penta-acetilzaharozei cu soluţia acidului carbonic cu formula generală RCOOH3, în care R reprezintă H, alchil inferior sau fenil în concentraţia 2-10% de masă în toluen sau metilizoizobutilcetonă la 110-130°C pentru obţinerea 2,3,4,3′4′-penta-acetilzaharozei; clorurarea produsului obţinut cu ajutorul derivaţilor fosfinei cu formula generală PPh2R, în care R reprezintă fenil sau stiril, fixat cu polistirenul în combinare cu tetraclorura de carbon în piridină la temperatura 20-80°C sau cu reagentul [HClC=N(CH3)2]+Cl- în toluen, sau 1,1,2-triclormetan sau cu reagentul cu formula generală R3PCl2, în care R reprezintă grupa fenilă sau fenoxilă; şi dezacetilarea produsului clorurat în soluţia de metanol a metilatului de sodiu.
MD94-0106A 1979-12-20 1994-03-16 Procedeu de obţinere a 4,1', 6'-triclor- 4,1', 6'-tridezoxigalactozaharozei MD30C2 (ro)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB7943933 1979-12-20
GB8010629 1980-03-28
GB8011086 1980-04-02
GB8016668 1980-05-20
GB8036711 1980-11-14
SU803221447A SU1176844A3 (ru) 1979-12-20 1980-12-19 Способ получени 4,1,6-трихлор-4,1,6-тридезоксигалактосахарозы

Publications (2)

Publication Number Publication Date
MD30B1 MD30B1 (ro) 1994-06-30
MD30C2 true MD30C2 (ro) 1995-01-31

Family

ID=27546777

Family Applications (1)

Application Number Title Priority Date Filing Date
MD94-0106A MD30C2 (ro) 1979-12-20 1994-03-16 Procedeu de obţinere a 4,1', 6'-triclor- 4,1', 6'-tridezoxigalactozaharozei

Country Status (2)

Country Link
LV (1) LV5131A3 (ro)
MD (1) MD30C2 (ro)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1543167A (en) * 1976-01-08 1979-03-28 Tate & Lyle Ltd Sweeteners

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1543167A (en) * 1976-01-08 1979-03-28 Tate & Lyle Ltd Sweeteners

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Fairciough P.H., Hough L., Richardson A.C. Derivatives of (-D-Fructofuranosyl-D-galactopyranoside. "Carbohydrate Research", 1975, 40, 285-289 (prototip). *

Also Published As

Publication number Publication date
MD30B1 (ro) 1994-06-30
LV5131A3 (lv) 1993-06-10

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