CAS: 24171-89-9; Tri(Thiophen-2-yl)Phosphine

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CAS号188290-36-0 Thiophene(SIV) | CAS号24111-71-5 Phosphine sulfi... | CAS号1021-21-2 Phosphine oxide...

噻吩置于吡啶,三溴化磷体系中,化学反应 20.0H,以35.1%的收率获得三(2-噻吩基)膦
参考文献:Tolmachev,A. A.; Ivonin,S. P.; Kharchenko,A. V.,Journal Of General Chemistry Of The Ussr,1991,Vol. 61,# 4.1,P. 778-782
标题:Tolmachev,A. A.; Ivonin,S. P.; Kharchenko,A. V.,Journal Of General Chemistry Of The Ussr,1991,Vol. 61,# 4.1,P. 778-782

专利信息

专利号:US-11718584-B2
优先权日:2019-02-22
标题 :Process for the synthesis anthranilic diamide compounds and intermediates thereof
发明人：KARRI PHANEENDRASAI; PABBA JAGADISH; SHINDE BHARAT UTTAMRAO; KALWAGHE AMOL DNYANESHWAR; MADHAVRAO KAMBLE MARUTI; KLAUSENER ALEXANDER G M; PANMAND DEEPAK SHANKAR
权利人:PI INDUSTRIES LTD
摘要:The present invention disclosed a process for the synthesis of anthranilic diamide compound of formula (I), n n n n n n n n n n wherein, R 1 , R 2 , R 3a , R 3b , R 3c , R 4 , R 5 , R 6 and Z are as defined in the detailed description. The process comprising the step of obtaining a mono- or dicyano substituted aniline compound of formula (IV) which is then converted to an anthranilic acid compound of formula (V) or an anthranilic amide compound of formula (Va). Further, the compound of formula (VI) can be optionally synthesized from compound of formula (IV or V or Va)

专利号:US-8697902-B2
优先权日:2008-06-17
标 题:Preparation of nitriles from ethylenically unsaturated compounds
发明人：MASTROIANNI SERGIO
权利人:MASTROIANNI SERGIO; RHODIA OPERATIONS
摘要:A process for the hydrocyanation of a hydrocarbon-based compound having at least one site of ethylenic unsaturation into a nitrile compound includes reaction thereof, in a liquid medium, with hydrogen cyanide in the presence of a catalyst containing a metal element selected from among the transition metals and an organophosphorus ligand, wherein the organophosphorus ligand is a compound of formula (I): n n n n n n n n n n The subject process is particularly useful for the synthesis of adiponitrile from butadiene.

专利号:US-9233917-B2
优先权日:2008-06-17
标题:Preparation of nitriles from ethylenically unsaturated compounds
发明人：MASTROIANNI SERGIO
权利人:MASTROIANNI SERGIO; INVISTA NORTH AMERICA SARL
摘要:A process for the hydrocyanation of a hydrocarbon-based compound having at least one site of ethylenic unsaturation into a nitrile compound includes reaction thereof, in a liquid medium, with hydrogen cyanide in the presence of a catalyst containing a metal element selected from among the transition metals and an organophosphorus ligand, wherein the organophosphorus ligand is a mixture of at least one monodentate organophosphite compound and at least one monodentate organophosphine compound; the subject process is especially useful for the synthesis of adiponitrile from butadiene.

专利号:US-5693792-A
优先权日:1992-02-18
标 题 :β-lactam and cephem compounds and processes for their production
发明人：TORII SHIGERU; TANAKA HIDEO; SASAOKA MITIO; SHIROI TAKASHI; KAMEYAMA YUTAKA
权利人:OTSUKA KAGAKU KK
摘要:The object of the invention is to provide a β-lactam compound and a 2-substituted methyl-3-cephem compound, both of which are of value as intermediates for the synthesis of cephem antibiotics. n The β-lactam compound of the invention may be represented by the general formula ##STR1## wherein R 1 represents a protected amino group, for instance; R 2 represents hydrogen, for instance; R 3 represents hydrogen or a carboxy-protecting group; R 4 represents an aryl group which may be substituted; R 5 represents an alkenyl group which may be substituted, for instance. The 2-substituted methyl-3-cephem compound of the invention may be represented by the general formula ##STR2## wherein R 1 , R 2 and R 3 are as defined above; R 6 represents an aryl group which may be substituted.