CAS: 1121-92-2; Azocane

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673-66-5 925185-62-2 116557-53-0

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CAS号673-66-5 1-氮杂环辛-2-酮 | CAS号502-42-1 环庚酮 | CAS号17261-50-6 N-tosylazacyclo... | CAS号2158-31-8 环庚酮肟 | CAS号4549-31-9 1,7-二溴庚烷 | CAS号82275-85-2 N-tosyl-7-bromo... | CAS号335-57-9 全氟正庚烷 | CAS号132271-79-5 perfluoro N-flu... | CAS号131968-13-3 azaperfluoro°Ctane | CAS号2056-41-9 1-(2-chloroethy... | CAS号19446-30-1 2-[4-(az°Can-1-... | CAS号2056-40-8 2-(az°Can-1-yl)... | CAS号288-32-4 咪唑 | CAS号86440-55-3 tert-butyl az°C... | CAS号629-30-1 1,7-庚二醇 | CAS号131998-76-0 1-phenylaz°Cane

在 Silica Gel体系中,用 甲醇 用作溶剂,化学反应 8.0H,反应生成七亚甲基亚胺
参考文献:Or金属茂促进的酰胺的轻度催化脱氧.
标题:Or金属茂促进的酰胺的轻度催化脱氧.
摘要:本文报道了有机act系元素催化的(cp * 2 Thme 2)通过酰胺的脱氧作用将各种叔,仲和伯酰胺的硼氢化还原为相应的胺/胺-硼烷加合物.催化反应在温和条件下进行,催化剂负载量低且频哪醇硼烷(hbpin)浓度高,选择性进行.Cp * 2 Thme 2能够有效地催化克级反应而不降低效率.胺-硼烷加合物已成功以高转化率转化为游离胺产物,这增加了该催化体系的实用性.根据详细的动力学,化学计量和氘标记研究,提出了一种可行的机理.
Doi:10.1039/d0Dt02770G

专利信息

专利号:US-12421534-B2
优先权日:2021-11-10
标 题 :Engineered enzymes and method for the synthesis of diverse tyrosine analogs
发明人：ALMHJELL PATRICK J; ARNOLD FRANCES H
权利人:CALIFORNIA INST OF TECHN
摘要:Provided herein is an engineered tryptophan synthase β-subunit (TrpB) that catalyzes the synthesis of tyrosine, tyrosine analogs, or salts thereof. Also provided herein are methods for preparing tyrosine, tyrosine analogs, or a salt thereof using the engineered TrpB described herein.

专利号:US-11059914-B2
优先权日:2016-12-21
标题:Method for the continuous synthesis of a diene elastomer with lithium amide initiator
发明人：DIRE CHARLOTTE; DESSENDIER MARIE-HÉLÈNE
权利人:MICHELIN & CIE
摘要:A process for the continuous synthesis of a diene elastomer is provided. The synthesis is conducted by means of n reactors r1 to rn, considered to be continuous stirred-tank reactors, which are equipped with an internal stirring system. The reactors are arranged in series, n varying from 2 to 15, preferably from 2 to 9. The reactor r1 is fed by an input solution comprising a solvent, one or more monomer(s), an anionic polymerization initiator chosen from lithium amides and a polar agent. The conversion by weight C1 in the first reactor is less than 70%, and the total conversion by weight Cn at the outlet of the reactor rn is greater than or equal to 70%.

专利号:US-5484949-A
优先权日:1993-01-29
标题:Method for the synthesis of α β-unsaturated ketones
发明人：TSUKASHIMA KEIICHI; NAKAJIMA MASASHI; FUJIMARU MASAYOSHI; SUZUKI KENJI
权利人:NIPPON SODA CO
摘要:The present invention relates to a method for the synthesis of alpha , beta -unsaturated ketones which comprises, in the method for the synthesis of alpha , beta -unsaturated ketones represented by general formula reacting aldehydes represented by general formula R1CHO (where R1 is as defined above) with alkali metal salt of acetoacetic acid represented by general formula sence as a catalyst of 3-azabicyclo[3,2,2]nonane, a cyclic secondary amine represented by general formula (1) (1) a cyclic secondary amine represented by general formula (2) (2) (where, l is 1 or more and up to 6, a ring with N is a 6-membered, 7-membered or 8-membered ring, the two neighbors of N are methylene, R3 is a lower alkyl group, its substitution position is at a carbon atom other than two those adjacent to N, and is an alicyclic group or a phenol group), or a secondary amine represented by general formula (3) CH3NHCH2R4(3) in a mixuture solvent of water and water-insoluble organic solvent, while keeping the pH constant with mineral acid, and by adjusting an amount of water.

专利号:US-8735586-B2
优先权日:2007-06-26
标 题 :Regioselective copper catalyzed synthesis of benzimidazoles and azabenzimidazoles
发明人：ALONSO JORGE; LINDENSCHMIDT ANDREAS; NAZARÉ MARC; URMANN MATTHIAS; HALLAND NIS; RKYEK OMAR
权利人:ALONSO JORGE; LINDENSCHMIDT ANDREAS; NAZARÉ MARC; URMANN MATTHIAS; HALLAND NIS; RKYEK OMAR; SANOFI SA
摘要:The present invention relates to a process for the regioselective synthesis of compounds of the formula I, n nwherein R0; R1; R2; R3; R4; R5; A1; A2; A3; A4, Q and J have the meanings indicated in the claims. The present invention provides a direct copper catalyzed regioselective process to a wide variety of unsymmetrical, multifunctional N-substituted benzimidazoles or azabenzimidazoles of formula I starting from 2-halo-nitroarenes and N-substituted amides.

专利号:US-8283476-B2
优先权日:2007-06-26
标 题:Transition metal catalyzed synthesis of 2H-indazoles
发明人：HALLAND NIS; NAZARE MARC; LINDENSCHMIDT ANDREAS; ALONSO JORGE; RKYEK OMAR; URMANN MATTHIAS
权利人:HALLAND NIS; NAZARE MARC; LINDENSCHMIDT ANDREAS; ALONSO JORGE; RKYEK OMAR; URMANN MATTHIAS; SANOFI SA
摘要:The present invention relates to a process for the regioselective synthesis of compounds of the formula I, n nwherein R0; R1; R2; R3; R4; R5; A1; A2; A3; A4, Q and J have the meanings indicated in the claims. The present invention provides a direct transition metal catalyzed process to a wide variety of multifunctional 2H-indazoles or 2H-azaindazoles of the formula (I) from 2-halo-phenylacetylenes or (2-sulfonato)phenylacetylenes and monosubstituted hydrazines.

专利号:US-8026375-B2
优先权日:2007-04-13
标题:Transition metal catalyzed synthesis of N-aminoindoles
发明人：HALLAND NIS; NAZARE MARC; LINDENSCHMIDT ANDREAS; RKYEK OMAR; URMANN MATTHIAS; ALONSO JORGE
权利人:SANOFI AVENTIS
摘要:The present invention relates to a process for the regioselective synthesis of compounds of the formula I, n nwherein R0; R1; R2; R3; R4; R5; R6; A1; A2; A3; A4, Q, T and J have the meanings indicated in the claims. The present invention provides a direct transition metal catalyzed process to a wide variety of multifunctional N-aminoindole or N-amino-azaindoles of the formula I from 2-halo-phenylacetylenes or (2-sulfonato)phenyl-acetylenes and N,N-disubstituted hydrazines, useful for the production of pharmaceuticals, diagnostic agents, liquid crystals, polymers, herbicides, fungicidals, nematicidals, parasiticides, insecticides, acaricides and arthropodicides.