CAS: 765-13-9; 1-Pentadecyne

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📜过氧十二烷酸置于吡啶体系中,化学反应 70.0H,反应生成 1-十五炔
参考文献:羧酸(II)的选择性混合偶联.-具有烯基,卤代,酮基,羧基和手性α-碳的不对称二酰基过氧化物的光解.与混合kolbe电解的比较
标题:羧酸(II)的选择性混合偶联.-具有烯基,卤代,酮基,羧基和手性α-碳的不对称二酰基过氧化物的光解.与混合kolbe电解的比较
摘要:制备烯基酰基和官能化的烷酰基十二烷酰过氧化物,产率为70%至97%,并在-78oc下光解.因此,4至10个烯酰基和4-烷酰过氧化物可提供非常好的产率(56-68%)的不对称偶联产物.类似地,可以将α-与σ-卤代烷酰基,胆酰基或3-和4-羧基烷酰基过氧化物偶联(40-70%).α-手性二酰基过氧化物ls经历光化学偶联反应,其构型保留80%.在电解失败或产率低的情况下,在-78oc下二酰过氧化物的光解被证明是kolbe电解的有利补充.
DOI:10.1016/s0040-4020(01)97195-9

专利信息

专利号:US-5451691-A
优先权日:1992-05-07
标题 :Synthesis of cosmetic ingredients
发明人：CRAWFORD DUNCAN J; RAWLINGS ANTHONY V; SCOTT IAN R
权利人:ARDEN ELIZABETH CO
摘要:A method of synthesis of ω-hydroxy fatty acid containing ceramides having the general structure (1). ##STR1## where A represents CH 2 or --CHâ•?CH--Y represents a residue of a C 14 to C 22 fatty acid having the structure (2) ##STR2## where Z is --OH or an epoxy oxygen n x is an integer of from 12 to 20 n y is an integer of from 20 to 40 n z is 0 or an integer of from 1 to 4 n a is an integer of from 8 to 50 n b is an integer of from 10 to 100 n and n is an integer of from 7 to 27.

专利号:US-9988349-B2
优先权日:2014-01-03
标 题:Direct stereospecific synthesis of unprotected aziridines from olefins
发明人：ESS DANIEL HALSELL; FALCK JOHN RUSSELL; JAT JAWAHAR LAL; KURTI LASZLO
权利人:ESS DANIEL HALSELL; FALCK JOHN RUSSELL; JAT JAWAHAR LAL; KURTI LASZLO
摘要:A method for the direct stereospecific conversion of structurally diverse mono-, di-, tri- and tetra-substituted olefins to N—H, N-alkyl, N-cycloalkyl, or N-aralkyl aziridines using a hydroxylamine amination agent with transition metal catalyst. The method is operationally simple (i.e., one-pot), scalable and fast at ambient temperature.

专利号:WO-2024112637-A1
优先权日:2022-11-21
标 题:Novel methods for chemical synthesis of glycosylated sphingosines
发明人：CHEN XI; YU HAI; GUCCHAIT ARIN; AGRAHARI ANAND KUMAR
权利人:UNIV CALIFORNIA
摘要:Described herein are novel methods of preparing sphingosines and glycosylated sphingosines. A method of preparing a glycosylated sphingosine as described herein includes an efficient, four-step route for synthesizing lactosylsphingosine (LacbβSph) from Garner's aldehyde. Also described herein is a cost-effective method of synthesizing a variety of glycosylated sphingosines, sphingosines and glycosyl acceptors, including both the d18:1 and d20:1 D-erythro-sphingosines and the d18:1 and d20:1 D-erythro-sphingosine glycosyl acceptors, from xylose.

专利号:US-8207337-B2
优先权日:2007-01-29
标 题:Reagent for organic synthesis reaction containing organic triol borate salt
发明人：MIYAURA NORIO; YAMAMOTO YASUNORI
权利人:MIYAURA NORIO; YAMAMOTO YASUNORI; WAKO PURE CHEM IND LTD
摘要:[Problem] n To provide an organoboron compound-containing reagent for organic synthesis reactions which undergoes no trimerization with dehydration, does not necessitate activation with a base, and is stable and highly active. n [Means for Solving Problems] n The reagent for organic synthesis reactions contains an organic triol borate salt represented by any of the general formulae (I) to (III) and general formula (XVI): (wherein R 1 represents alkyl, alkenyl, etc.; R 2 represents optionally substituted alkyl, alkenyl, alkynyl, etc. or represents hydrogen; m + represents an alkaline metal ion, phosphonium ion, or given ammonium ion; M 2+ represents an alkaline earth metal; X represents halogen or alkoxide; Y represents an alkali metal ion, etc.; A represents optionally substituted methylene; and n represents an integer).

专利号:US-7307177-B2
优先权日:2004-12-17
标题:Metallocene complexes, their synthesis and use in catalyst systems for olefin polymerization
发明人：HUANG LEGAL REPRESENTATIVE JIL; CANICH JO ANN M; COKER CATALINA L
权利人:EXXONMOBIL CHEM PATENTS INC
摘要:A metallocene complex is represented by the the formulan n(C p R 5 ) n MX k n nwhere C p (each occurrence) is a cyclopentadienyl group; each of the five R substituents on the or each cyclopentadienyl group is independently selected from hydrogen, C 1 to C 30 substituted or unsubstituted hydrocarbyl, halohydrocarbyl, silylhydrocarbyl or silylhalohydrocarbyl, wherein two adjacent R substituents may be joined to form part of a saturated, partially unsaturated or aromatic monocyclic or polycyclic ring structure, and SiR′ 2 NR″ 2 where each of the two R′ substituents is independently selected from hydrogen, C 1 to C 30 substituted or unsubstituted hydrocarbyl, halohydrocarbyl, silylhydrocarbyl or silylhalohydrocarbyl, wherein two adjacent R′ substituents may be joined to form part of a saturated, partially unsaturated or aromatic monocyclic or polycyclic ring structure, and each of the two R″ substituents is independently selected from C 2 to C 30 substituted or unsubstituted hydrocarbyl, halohydrocarbyl, silylhydrocarbyl or silylhalohydrocarbyl, wherein two adjacent R″ substituents may be joined to form part of a saturated, partially unsaturated or aromatic monocyclic or polycyclic ring structure; n is 1 or 2; M is a metal of valence m from Groups 4 to 11 of the Periodic Table of Elements, k is equal to m minus n and the or each X substituent is a univalent anionic ligand, or two X substituents are joined and bound to the metal atom to form a metallocycle ring, or two X substituents are joined to form a chelating ligand, a diene ligand, or an alkylidene ligand, provided that at least one R substituent on the or one cyclopentadienyl group is SiR′ 2 NR″ 2 , provided that at least one R substituent on at least one C p is SiR′ 2 NR″ 2 and provided that one or the C p may be bridged by a bridging group to another C p group, or a heteroatom containing group, where the bridging group replaces one R group on the C p group(s) or a hydrogen on a heteratom containing group.

专利号:WO-9322281-A1
优先权日:1992-05-07
标题 :Synthesis of cosmetic ingredient