CAS: 581-40-8; 2,3-Dimethylnaphthalene

相似化合物

581-42-0 582-16-1 575-41-7

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📜2-<(Dimethylamino)Methyl>-3-Methylnaphthalene置于sodium Amalgam体系中,用 水,乙腈 作为反应溶剂,化学反应 4.0H,反应生成 2,3-二甲基萘
参考文献:涉及叶立德中间体的碱催化重排.第6部分.质子介质中二烯丙基和烯丙基丙炔基铵阳离子的重排
标题:涉及叶立德中间体的碱催化重排.第6部分.质子介质中二烯丙基和烯丙基丙炔基铵阳离子的重排
摘要:水溶液中阳离子的碱催化重排(1D-j)产生异构阳离子(15)或醛(10)和(11)或(15),(10)和(11)的混合物.这与在质子惰性溶剂中观测到的阳离子(1)的转化形成鲜明对比.阳离子(15)进行霍夫曼消除成萘胺(12)或(13)和(14).胺的甲硫脲(13克)显示出旋转受限的新结果.甲硫酮的NMR光谱表明,亚甲基的两个质子是非对映体.
DOI:10.1039/p19800001477

专利信息

专利号:US-2003162992-A1
优先权日:2001-12-14
标 题 :Preparation of intermediates useful in the synthesis of antiviral nucleosides
发明人：WATANABE KYOICHI A; DU JINFA
摘要:The present invention is an efficient process for the manufacture of α-acyloxyacetaldehyde, a key intermediate in the synthesis of 1,3-oxathiolane and 1,3-dioxolane nucleosides.

专利号:US-7176336-B2
优先权日:2003-10-09
标题 :Process for the synthesis of unsaturated alcohols
发明人：MAUGHON BOB R; BURDETT KENNETH A; LYSENKO ZENON
权利人:DOW GLOBAL TECHNOLOGIES INC
摘要:A process of preparing an unsaturated alcohol (olefin alcohol), such as, a homo-allylic mono-alcohol or homo-allylic polyol, involving protecting a hydroxy-substituted unsaturated fatty acid or fatty acid ester, such as methyl ricinoleate, derived from a seed oil, to form a hydroxy-protected unsaturated fatty acid or fatty acid ester; homo-metathesizing or cross-metathesizing the hydroxy-protected unsaturated fatty acid or fatty acid ester to produce a product mixture containing a hydroxy-protected unsaturated metathesis product; and deprotecting the hydroxy-protected unsaturated metathesis product under conditions sufficient to prepare the unsaturated alcohol. Preferably, methyl ricinoleate is converted by cross-metathesis or homo-metathesis into the homo-allylic mono-alcohol 1-decene-4-ol or the homo-allylic polyol 9-octadecene-7,12-diol, respectively.

专利号:US-7517828-B2
优先权日:2003-04-25
标 题 :Chiral broensted acid catalyst for asymmetric synthesis and method of asymmetric synthesis with the catalyst
发明人：AKIYAMA TAKAHIKO
权利人:TOAGOSEI CO LTD
摘要:A compound usable as an asymmetric synthesis catalyst which can be easily synthesized without using any metal such as a lanthanoid group element; a method of asymmetric synthesis with the compound; and a chiral compound obtained by the asymmetric synthesis method. A Broensted acid is used as a catalyst in asymmetric synthesis, the chiral Broensted acid being represented by formula (1) below or formula (3) below. The asymmetric synthesis method employs the catalyst. Asymmetric synthesis with the catalyst gives a chiral compound.

专利号:US-7615645-B2
优先权日:2003-10-21
标题 :Method for the continuous production of aldehydes
发明人：VOLLAND MARTIN; MACKEWITZ THOMAS; AHLERS WOLFGANG; SCHAEFER ANSGAR; RICHTER WOLFGANG; PACIELLO ROCCO
权利人:BASF AG
摘要:The invention relates to a method for the continuous production of aldehydes by the isomerising hydroformylation in a homogenous phase of olefin compositions by means of a synthesis gas, in the presence of a homogeneous rhodium catalyst that is complexed with an organophosphorus ligand containing oxygen atoms and/or nitrogen atoms and a free ligand. The production is carried out at high temperature and high pressure in a multi-stage reaction system consisting of at least two reaction zones. According to the method, the olefin composition is first reacted in a first reaction zone or a group of several first reaction zones at a total pressure of between 10 and 40 bar, using a synthesis gas with a CO/H 2 molar ratio of between 4:1 and 1:2 until a 40 to 95% conversion of the α-olefins is obtained.

专利号:US-RE41614-E
优先权日:1998-09-30
标题 :Synthetic analogs of ecteinascidin-743
发明人：COREY ELIAS J
权利人:HARVARD COLLEGE
摘要:The present invention is directed to the synthesis and characterization of compounds having the formula: n n wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 and R 9 are each independently selected from the group consisting of H, OH, OR′, SH, SR′, SOR′, SO 2 R′, NO 2 , NH 2 , NHR′, N(R′) 2 , NHC(â•?O)R′ NHC( â•?O ) R′ , CN, halogen, â•?O, C(â•?O)H, C(â•?O)R′, CO 2 H, CO 2 R′, C 1 -C 12 alkyl, C 2 -C 12 alkenyl, C 2 -C 12 alkynyl, substituted or unsubstituted aryl, substituted or unsubstituted aralkyl, and substituted or unsubstituted heteroaromatic; wherein each of the R′ groups is independently selected from the group consisting of H, OH, NH 2 , NO 2 , SH, CN, halogen, â•?O, C(â•?O)H, C(â•?O)CH 3 , CO 2 H, CO 2 CH 3 , C 1 -C 12 alkyl, C 2 -C 12 alkenyl, C 2 -C 12 alkynyl, aryl, aralkyl, and heteroaromatic; wherein each dotted circle represents one, two or three optional double bonds; wherein R 7 and R 8 may be are joined into a carbocyclic or heterocyclic ring system; and wherein X 1 and X 2 are each independently defined as above for R 1 -R 8 R 1 - R 6 and R 9 , an each further includes specific preferred groups as defined herein.

专利号:US-8609801-B2
优先权日:2011-09-29
标题:Polymers and copolymers containing 2H-benzimidazol-2-one moieties
发明人：HAY ALLAN S; MIR AABID; HLIL ANTISAR R; MATSUMURA SUMIKO
权利人:UNIV MCGILL; UNIV MCGILL
摘要:Polymers and copolymers containing 1H-benzo[d]imidazol-2(3H)-one units have been synthesized under conditions generally used for the synthesis of poly(aryl ether)s. 1H- n nbenzo[d]imidazol-2(3H)-one behaves like a biphenol in the polymerization reaction.n n The soluble homopolymer has a very high glass transition temperature (348° C.), good thermal stability, and forms flexible transparent films. Because of the low molecular weight (134.14) of the benzoimidazolone monomer in the copolymer formed with 4,4′-biphenol that contains 30 mole % of the benzimidazolone unit, only 8.9 weight % is required to raise the Tg of the poly(arlyl ether)sulfone from 220° C. to 269° C.