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Analysis

IPC=C07D
1 / 1,566
1.1020180134878제1 결정화 모액의 증발성 결정화 단계를 갖는 디안하이드로헥시톨 결정을 제조하기 위한 공정
KR - 19.12.2018
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 1020187028609 Applicant 로께뜨프레르 Inventor 비아르, 에르베
본 발명은 적어도 하나의 헥시톨의 내부 탈수 생성물의 용액을 제조하고, 상기 용액을 증류하고, 결정화함으로써 1,4:3,6-디안하이드로헥시톨의 결정을 제조하기 위한 공정에 관한 것으로, 결정화 모액은 증발성 결정화 단계를 거치는 것을 특징으로 한다. 결정화 모액을 재생하려고 하는 선행 기술의 공정과는 달리, 증발성 결정화에 의해 경제적이고 효율적으로 적어도 하나의 농축 및 그 이후의 증류, 크로마토그래피 또는 결정화에 의한 적어도 하나의 증류 단계로 이루어진 일련의 단계가 대체된다.
2.20190135826Process for manufacturing dianhydrohexitol crystals with a step of evaporative crystallization of the first crystallization mother liquors
US - 09.05.2019
Int.Class C07D 493/00
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
 Appl.No 16095300 Applicant ROQUETTE FRERES Inventor Hervé Wyart

A process for manufacturing crystals of 1,4:3,6-dianhydrohexitols, by manufacturing a solution of an internal dehydration product of at least one hexitol, distilling the solution, crystallizing, and wherein the crystallization mother liquors undergo a step of evaporative crystallization. Unlike the prior art processes that seek to recycle the crystallization mother liquors, evaporative crystallization economically and efficiently replaces the succession of steps consisting of at least one concentration, then at least one step of purification by distillation, chromatography, or crystallization.

3.1020180054658이소이다이드의 제조 방법
KR - 24.05.2018
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 1020187009236 Applicant 아처 다니엘 미드랜드 캄파니 Inventor 마, 치쳉
이소이다이드의 제조 방법이 제공되며, 본 방법에서는 덱스트로스 공급물을 먼저, 수소의 존재 하에서 그리고 이중 목적 단일 촉매의 추가의 존재 하에서 에피머화와 수소화의 조합에 의해 이디톨-풍부 헥시톨 혼합물로 전환시키고, 이어서 이디톨을 통상적으로 완전 탈수하여 이소이다이드를 제공한다. 일반적인 일 구현예에서, 탈수를 이디톨-풍부 헥시톨 혼합물에 대해 수행하여 이소이다이드를 포함하는 이소헥사이드 생성물 혼합물을 제공하고, 이소이다이드를 그로부터 회수한다. 일반적인 또 다른 구현예에서, 이디톨을 이디톨-풍부 헥시톨 혼합물로부터 분리하고, 이 이디톨의 적어도 일부분을 탈수하여 이소이다이드 생성물을 제공한다.
4.2019515028第１結晶化母液の蒸発結晶化工程を用いたジアンヒドロヘキシトール結晶の製造プロセス
JP - 06.06.2019
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 2019506549 Applicant ロケット　フレール Inventor エルヴェ　ヴィアール

本発明は、少なくとも１つのヘキシトールの内部脱水生成物溶液を製造し、上記溶液を蒸留して結晶化することによる、１，４：３，６−ジアンヒドロヘキシトール結晶の製造プロセスであって、結晶化母液が蒸発結晶化工程にかけられることを特徴とするプロセスに関する。結晶化母液を再利用しようと探究する先行技術のプロセスとは異なり、蒸発結晶化は、少なくとも１つの濃縮工程、次いで、蒸留、クロマトグラフィー、又は結晶化による精製のうちの少なくとも１つの工程からなる一連の工程を経済的かつ効率的に置き換える。

5.112745328Method for synthesizing isohexitol ester
CN - 04.05.2021
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 201911036289.1 Applicant DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES Inventor CHE PENGHUA
The invention discloses a method for synthesizing isohexitol ester, which is characterized in that a material containing hexitol and an esterifying agent is contacted with a solid acid catalyst in the presence of an aprotic solvent, and the isohexitol ester is obtained through one-pot one-step reaction. The method is especially suitable for the reaction of directly synthesizing the isohexitol ester, especially isosorbide ester, from hexitol, especially sorbitol, the total yield of the obtained isohexitol ester is 80% or above, and the yield of the isosorbide dicarboxylate reaches 60% or above.
6.108349991Process for making isoidide
CN - 31.07.2018
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 201680052328.5 Applicant ARCHER DANIELS MIDLAND CO Inventor MA CHICHENG
A process is provided for making isoidide, wherein a dextrose feed is first converted by a combination of epimerization and hydrogenation to an iditol-enriched mixture of hexitols in the presence of hydrogen and in the further presence of a single, dual purpose catalyst, and the iditol is then conventionally fully dehydrated to provide isoidide. In one general embodiment, the dehydration is performed on the iditol-enriched mixture of hexitols to provide an isohexides product mixture including isoidide, and the isoidide is recovered therefrom. In another general embodiment, iditol is separatedfrom the iditol-enriched mixture of hexitols, and at least a portion of this iditol is then dehydrated to provide an isoidide product.
7.1020020022641PROCESS FOR THE PREPARATION OF 1,5-DIDEOXY-1,5-IMINO HEXITOLS FROM OXIMES OR IMINES
KR - 27.03.2002
Int.Class C07D 211/36
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
211Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
04with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
06having no double bonds between ring members or between ring members and non-ring members
36with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
 Appl.No 1020017011513 Applicant MICHIGAN STATE UNIVERSITY Inventor HOLLINGSWORTH RAWLE I.

A process for the preparation of 1,5-dideoxy-1,5-imino hexitols of a hexose sugars from novel hydroxyl protected oxime intermediates. The process includes formation of a lactam which is reduced to the hexitol. The hexitols are useful as drugs.

© KIPO & WIPO 2007

8.1020180127342박막 증발기 상에서의 증류 단계에 의해 디안하이드로헥시톨을 생산하기 위한 방법
KR - 28.11.2018
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 1020187026357 Applicant 로께뜨프레르 Inventor 비아르, 에르베
본 발명은 1,4:3,6-디안하이드로헥시톨을 생산하기 위한 방법에 관한 것으로, 상기 방법은 a) 적어도 하나의 헥시톨을 공급하는 단계; b) 상기 헥시톨을 탈수시키는 단계; 및 c) 단계 b)에서 생산된 탈수 생성물을 증류하는 단계를 포함하되, 단계 a)에서 헥시톨은 수용액의 형태로 공급되고; 단계 c)에서 증류는 박막 증발기에 의해 실시되는 것을 특징으로 한다.
9.2014515395無水糖アルコールの製造方法
JP - 30.06.2014
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 2014513410 Applicant サムヤン　ジェネックス　コーポレイション Inventor リュ，フン

【課題】本発明は、デンプンから由来のソルビトール、マンニトールなどのヘキシトールを用いて、無水糖アルコールを製造する方法である。
【解決手段】無水糖アルコールは、分子内にヒドロキシ基が２つのジオール形態であり、プラスチック産業で主に使用できる物理的特性改良剤として利用価値が非常に高い。代表的な無水糖アルコールは、イソソルビド、イソマンニドなどがある。このような無水糖アルコールは、ＰＥＴ、ポリエステル、ポリカーボネートなどのガラス転移温度を上げることができ、強度を改善でき、生分解性の環境に優しい素材であり、バイオプラスチックの主要な素材として利用価値が高い。
【選択図】なし

10.20190092782Method for producing dianhydrohexitol with a step of distillation on a thin-film evaporator
US - 28.03.2019
Int.Class C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
 Appl.No 16085903 Applicant ROQUETTE FRERES Inventor Hervé Wyart

A method for producing 1,4:3,6-dianhydrohexitols, including the steps of: a) supplying at least one hexitol, b) dehydrating the hexitol, and c) distillating the dehydration product produced in step b), wherein: the hexitol is supplied in the form of an aqueous solution in step a); and the distillation is carried out by means of a thin-film evaporator in step c).

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