다환기가 치환된 신규의 전이금속 화합물, 이를 포함한 전이금속 촉매 조성물 및 이를 이용한 에틸렌과 α-올레핀 공중합체 또는 에틸렌과 올레핀-디엔 공중합체의 제조방법
申请人:SABIC SK NEXLENE COMPANY PTE. LTD. 사빅 에스케이 넥슬렌 컴퍼니 피티이 엘티디(520150579757)
公开号:KR101889978B1
公开(公告)日:2018-08-21
본 발명은 전이금속 화합물, 이를 포함하는 에틸렌과 α-올레핀의 공중합체 또는 올레핀-디엔 공중합체 제조용으로 높은 촉매활성과 공단량체 함량이 높은 영역에서도 고분자량의 공중합체를 제조할 수 있는 전이금속 촉매 조성물 및 이를 이용한 에틸렌과 α-올레핀의 공중합체 및 올레핀-디엔 공중합체의 제조방법을 제공한다.
Palladium-Catalyzed Sequential C(<i>sp</i>
<sup>2</sup>
)-H Alkynylation/Annulation of 2-Phenylphenols with Haloalkynes Using Phenolic Hydroxyl as the Traceless Directing Group
An efficient, palladium(II)‐catalyzed, C(sp2)‐H alkynylation/annulation of 2‐phenylphenols with haloalkynes for the synthesis of substituted 6‐methylene‐6H‐dibenzo[b,d]pyrans is reported. This protocol features a traceless directing group strategy, unique regioselectivity and mild reaction conditions. Significantly, preliminary mechanistic studies suggest that the sequential C(sp2)‐H alkynylation and
There is provided a polycarbonate which is excellent in both surface slipperiness and abrasion resistance.
The polycarbonate is a polycarbonate which has a group having a siloxane structure and an aryl group at terminals in a specific ratio.
Unangst Paul C., Connor David T., Cetenko Wiaczeslaw A., Sorenson Roderic+, J. Med. Chem, 37 (1994) N 2, S 322-328
作者:Unangst Paul C., Connor David T., Cetenko Wiaczeslaw A., Sorenson Roderic+
DOI:——
日期:——
Polycarbonate and production method thereof
申请人:Miyake Toshiyuki
公开号:US20100048851A1
公开(公告)日:2010-02-25
There is provided a polycarbonate which is excellent in both surface slipperiness and abrasion resistance.
The polycarbonate is a polycarbonate which has a group having a siloxane structure and an aryl group at terminals in a specific ratio.