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1.发明申请公开(公告)号：US20170240572A1
公开(公告)日：2017-08-24
申请号：US14891096
申请日：2015-01-29
Inventor： Sukbok Chang , Sehoon Park , Narasimhulu Gandhamsetty , Seewon Joung , Sung-Woo Park
IPC: C07F7/08
CPC classification number: C07F7/0896 , B01J31/14 , C07F7/0829 , C07F7/0836 , C07F7/0874
Abstract: Provided is a method of preparing a silylative-reduced N-heterocyclic compound by reducing an N-heteroaromatic compound including a sp2 hybridized nitrogen atom while simultaneously introducing a silyl group into a beta-position with respect to a nitrogen atom of the N-heteroaromatic compound, using a silane compound, in the presence of an organoboron catalyst.
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2.发明授权公开(公告)号：US11998901B2
公开(公告)日：2024-06-04
申请号：US17676078
申请日：2022-02-18
Inventor： Sukbok Chang , Seung Youn Hong , Yoon Su Park , Yeongyu Hwang , Yeong Bum Kim
IPC: C07D207/267 , B01J31/22 , C07D209/34 , C07D209/46 , C07D209/52 , C07D209/54 , C07D209/56 , C07D209/70 , C07D403/04 , C07D405/04 , C07D409/04 , C07F15/06 , C07F17/02 , C07J43/00
CPC classification number: B01J31/2295 , C07D207/267 , C07D209/46 , C07D209/52 , C07D209/54 , C07D209/56 , C07D209/70 , C07D403/04 , C07D405/04 , C07D409/04 , C07F17/02 , C07J43/003 , B01J2231/60
Abstract: The present invention relates to a novel metal complex, a method for producing same, and a method for producing a gamma-lactam compound using same, and the metal complex according to the present invention is used as a catalyst for producing a gamma-lactam compound and can efficiently produce a gamma-lactam compound with an excellent yield and excellent selectivity.
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公开(公告)号：US11555086B2
公开(公告)日：2023-01-17
申请号：US16940502
申请日：2020-07-28
Inventor： Myungeun Seo , Chung Sub Jeon , Sukbok Chang , Dong Wook Kim , Taeseok Oh , Seong Jang Jeon
Abstract: The present invention relates to a method of synthesizing hydrocarbon polymers using a deoxygenation reaction, wherein, by deoxygenating polymers including oxygen atom-containing functional groups in side chains thereof to thereby remove the functional groups of the side chains, various block copolymers including polyolefins and hydrocarbon polymers with complex architectures can be synthesized.
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公开(公告)号：US20210032395A1
公开(公告)日：2021-02-04
申请号：US16940502
申请日：2020-07-28
Inventor： Myungeun SEO , Chung Sub Jeon , Sukbok Chang , Dong Wook Kim , Taeseok Oh , Seong Jang Jeon
Abstract: The present invention relates to a method of synthesizing hydrocarbon polymers using a deoxygenation reaction, wherein, by deoxygenating polymers including oxygen atom-containing functional groups in side chains thereof to thereby remove the functional groups of the side chains, various block copolymers including polyolefins and hydrocarbon polymers with complex architectures can be synthesized.
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Patent Agency Ranking
5.发明授权公开(公告)号：US11344872B2
公开(公告)日：2022-05-31
申请号：US16959880
申请日：2019-01-02
Inventor： Sukbok Chang , Seung Youn Hong , Yoon Su Park , Yeongyu Hwang , Yeong Bum Kim
IPC: C07F15/06 , C07F17/02 , B01J31/22 , C07D207/267 , C07D209/46 , C07D209/52 , C07D209/54 , C07D209/56 , C07D209/70 , C07D403/04 , C07D405/04 , C07D409/04 , C07J43/00
Abstract: The present invention relates to a novel metal complex, a method for producing same, and a method for producing a gamma-lactam compound using same, and the metal complex according to the present invention is used as a catalyst for producing a gamma-lactam compound and can efficiently produce a gamma-lactam compound with an excellent yield and excellent selectivity.
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6.发明授权公开(公告)号：US10577465B2
公开(公告)日：2020-03-03
申请号：US15760135
申请日：2016-09-12
Inventor： Sukbok Chang , Seewon Joung , Dongwook Kim , Jeung Gon Kim
Abstract: The present invention relates to a silicon polymer production method using a non-transition-metal-catalyst method of hydrosilylation, and more specifically relates to a production method for a silicon polymer using a non-transition-metal-catalyst method of hydrosilylation, wherein an environmentally friendly silicon polymer is produced by using hydrosilylation using a non-transition metal as a catalyst, thereby avoiding the use of platinum, palladium and rhodium or other expensive platinum group catalysts and so achieving outstanding economic viability and making it possible to prevent residues of heavy metals.
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7.发明授权公开(公告)号：US09745329B1
公开(公告)日：2017-08-29
申请号：US14891096
申请日：2015-01-29
Inventor： Sukbok Chang , Sehoon Park , Narasimhulu Gandhamsetty , Seewon Joung , Sung-Woo Park
IPC: C07F7/08
CPC classification number: C07F7/0896 , B01J31/14 , C07F7/0829 , C07F7/0836 , C07F7/0874
Abstract: Provided is a method of preparing a silylative-reduced N-heterocyclic compound by reducing an N-heteraromatic compound including a sp2 hybridized nitrogen atom while simultaneously introducing a silyl group into a beta-position with respect to a nitrogen atom of the N-heteroaromatic compound, using a silane compound, in the presence of an organoboron catalyst.
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公开(公告)号：US11046661B2
公开(公告)日：2021-06-29
申请号：US16959863
申请日：2019-01-02
Inventor： Sukbok Chang , Seung Youn Hong , Yoon Su Park , Yeongyu Hwang , Yeong Bum Kim
IPC: C07D273/01 , C07D413/06 , C07D209/34 , C07D491/22 , C07D209/54 , C07D205/12 , C07D215/227
Abstract: The present invention relates to a method for producing a lactam compound from dioxazolone in the presence of a catalyst having a particular ligand, and to a lactam compound produced thereby, and can produce a lactam compound with excellent selectivity and an excellent yield by using the combination of a starting material having a particular functional group and a particular catalyst having a particular ligand.
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9.发明授权公开(公告)号：US10662206B2
公开(公告)日：2020-05-26
申请号：US16304662
申请日：2017-05-24
Inventor： Sukbok Chang , Chinmoy Kumar Hazra , Narasimhulu Gandhamsetty
Abstract: The present invention relates to a method for preparing various silane derivatives by subjecting various furan derivatives to hydrosilylation in the presence of a borane catalyst. The method for preparing silane derivatives according to the present invention is a very efficient method for converting, into high value-added silane derivatives, various furan derivatives derived from biomass.
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