CN104177256B - 一种梨小食心虫性信息素(z/e)-8-十二碳烯醋酸酯的合成方法 - Google Patents
一种梨小食心虫性信息素(z/e)-8-十二碳烯醋酸酯的合成方法 Download PDFInfo
- Publication number
- CN104177256B CN104177256B CN201410378583.1A CN201410378583A CN104177256B CN 104177256 B CN104177256 B CN 104177256B CN 201410378583 A CN201410378583 A CN 201410378583A CN 104177256 B CN104177256 B CN 104177256B
- Authority
- CN
- China
- Prior art keywords
- triphenylphosphine
- synthetic method
- reaction
- solvent
- sex pheromone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000877 Sex Attractant Substances 0.000 title claims abstract description 16
- 241000659001 Grapholitha molesta Species 0.000 title claims abstract description 15
- 238000010189 synthetic method Methods 0.000 title claims abstract description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 63
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 50
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims abstract description 21
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 15
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000004166 Lanolin Substances 0.000 claims abstract description 14
- 229940039717 lanolin Drugs 0.000 claims abstract description 14
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002904 solvent Substances 0.000 claims abstract description 11
- VHYHVWHZMQROJA-UHFFFAOYSA-N OCCCCCCCCC1=C(C=CC=C1)P(C1=CC=CC=C1)C1=CC=CC=C1 Chemical class OCCCCCCCCC1=C(C=CC=C1)P(C1=CC=CC=C1)C1=CC=CC=C1 VHYHVWHZMQROJA-UHFFFAOYSA-N 0.000 claims abstract description 10
- XEZNGIUYQVAUSS-UHFFFAOYSA-N 18-crown-6 Chemical compound C1COCCOCCOCCOCCOCCO1 XEZNGIUYQVAUSS-UHFFFAOYSA-N 0.000 claims abstract description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 9
- 229940072033 potash Drugs 0.000 claims abstract description 9
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 9
- 235000015320 potassium carbonate Nutrition 0.000 claims abstract description 9
- 239000003054 catalyst Substances 0.000 claims abstract description 8
- 229960005082 etohexadiol Drugs 0.000 claims abstract description 8
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000003480 eluent Substances 0.000 claims abstract description 6
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000005893 bromination reaction Methods 0.000 claims abstract description 5
- 239000003513 alkali Substances 0.000 claims abstract description 4
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 claims abstract description 3
- 230000000977 initiatory effect Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims abstract description 3
- 239000000126 substance Substances 0.000 claims description 11
- 238000007239 Wittig reaction Methods 0.000 claims description 8
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 claims description 5
- VGCXGMAHQTYDJK-UHFFFAOYSA-N Chloroacetyl chloride Chemical compound ClCC(Cl)=O VGCXGMAHQTYDJK-UHFFFAOYSA-N 0.000 claims description 4
- MKESNCMVMCTBAC-UHFFFAOYSA-N 1-bromooctan-1-ol Chemical compound CCCCCCCC(O)Br MKESNCMVMCTBAC-UHFFFAOYSA-N 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000013078 crystal Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 abstract 1
- 239000012346 acetyl chloride Substances 0.000 abstract 1
- 235000019441 ethanol Nutrition 0.000 description 20
- 238000010792 warming Methods 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 235000013399 edible fruits Nutrition 0.000 description 9
- 238000011084 recovery Methods 0.000 description 9
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000003756 stirring Methods 0.000 description 7
- GMXIEASXPUEOTG-UHFFFAOYSA-N 8-bromooctan-1-ol Chemical compound OCCCCCCCCBr GMXIEASXPUEOTG-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 239000007795 chemical reaction product Substances 0.000 description 6
- 230000006837 decompression Effects 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N hexane Substances CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- 239000007832 Na2SO4 Substances 0.000 description 3
- 241000220324 Pyrus Species 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 235000021017 pears Nutrition 0.000 description 3
- 150000004714 phosphonium salts Chemical class 0.000 description 3
- 238000011027 product recovery Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- STBMZSJLFYGOJU-UHFFFAOYSA-N 1,1-dibromooctane Chemical class CCCCCCCC(Br)Br STBMZSJLFYGOJU-UHFFFAOYSA-N 0.000 description 2
- 244000144730 Amygdalus persica Species 0.000 description 2
- 241000255777 Lepidoptera Species 0.000 description 2
- 235000006040 Prunus persica var persica Nutrition 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 2
- 239000005667 attractant Substances 0.000 description 2
- -1 carbene acetates Chemical class 0.000 description 2
- 230000031902 chemoattractant activity Effects 0.000 description 2
- VWWMOACCGFHMEV-UHFFFAOYSA-N dicarbide(2-) Chemical compound [C-]#[C-] VWWMOACCGFHMEV-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 241000167854 Bourreria succulenta Species 0.000 description 1
- 235000009917 Crataegus X brevipes Nutrition 0.000 description 1
- 235000013204 Crataegus X haemacarpa Nutrition 0.000 description 1
- 235000009685 Crataegus X maligna Nutrition 0.000 description 1
- 235000009444 Crataegus X rubrocarnea Nutrition 0.000 description 1
- 235000009486 Crataegus bullatus Nutrition 0.000 description 1
- 235000017181 Crataegus chrysocarpa Nutrition 0.000 description 1
- 235000009682 Crataegus limnophila Nutrition 0.000 description 1
- 235000004423 Crataegus monogyna Nutrition 0.000 description 1
- 240000000171 Crataegus monogyna Species 0.000 description 1
- 235000002313 Crataegus paludosa Nutrition 0.000 description 1
- 235000009840 Crataegus x incaedua Nutrition 0.000 description 1
- 206010059866 Drug resistance Diseases 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000220225 Malus Species 0.000 description 1
- 235000011430 Malus pumila Nutrition 0.000 description 1
- 235000015103 Malus silvestris Nutrition 0.000 description 1
- 241000002163 Mesapamea fractilinea Species 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019693 cherries Nutrition 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000003163 gonadal steroid hormone Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003444 phase transfer catalyst Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/62—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by introduction of halogen; by substitution of halogen atoms by other halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/32—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions without formation of -OH groups
- C07C29/34—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions without formation of -OH groups by condensation involving hydroxy groups or the mineral ester groups derived therefrom, e.g. Guerbet reaction
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/14—Preparation of carboxylic acid esters from carboxylic acid halides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/54—Quaternary phosphonium compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/09—Geometrical isomers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cosmetics (AREA)
Abstract
本发明提供一种梨小食心虫性信息素工业生产的合成方法。所述合成方法包括以下步骤:(1)以甲苯或苯为溶剂,将1,8-辛二醇和氢溴酸作为起始原料,经过单边溴化反应制得8-溴辛醇;(2)以乙醇为溶剂,将8-溴辛醇与三苯基膦加入反应釜中,反应毕后采用甲苯为洗脱剂,然后降温析出8-羟基辛烷基三苯基膦盐晶体;(3)8-羟基辛烷基三苯基膦盐在催化剂18-冠醚-6作用下与正丁醛发生Wittig反应得到(Z/E)-8-十二碳烯醇,其中碱采用碳酸钾;(4)以吡啶为溶剂,(Z/E)-8-十二碳烯醇与醋酸酐或乙酰氯反应得到(Z/E)-8-十二碳烯醋酸酯。本方法原料易得,条件温和,步骤少,产率高,适应工业化生产。
Description
技术领域
本发明涉及鳞翅目害虫性外激素(性信息素)的化学合成领域,具体地,本发明涉及一种梨小食心虫性信息素(Z/E)-8-十二碳烯醋酸酯的合成方法。
背景技术
梨小食心虫(Grapholithamolesta)属鳞翅目、小卷叶蛾科,又名东方果蠹蛾、梨小蛀果蛾、桃折心虫,主要危害梨、苹果、桃、山楂、樱桃等果树。多年来对梨小食心虫的防治以化学农药为主,其抗药性发展很快,并且化学农药对环境污染严重。梨小食心虫性信息素具有活性高、无毒、特异性强、采用方便、不伤害天敌等优点,对梨小食心虫具有较好的引诱效果,是有效的生物防治方法,因此利用梨小食心虫性信息素进行害虫防治的研究正日益受到人们的关注和重视。
1965年George等从梨小食心虫雌蛾的腹部分离得到其性信息素,1969年Roefofsw等鉴定其结构为Z-8-十二碳烯醋酸酯,后来又发现E-8-十二碳烯醋酸酯和Z-8-十二碳烯-1-醇也是其中的活性组份。研究表明,梨小食心虫性信息素对梨小食心虫等多种害虫都有引诱效果,且在Z-8-十二碳烯醋酸酯与E-8-十二碳烯醋酸酯的摩尔比为95:5时,引诱活性最佳。
有关梨小食心虫性信息素的合成已有许多报道,按双键的建立可分为炔化物路线和Wittig反应路线,其中炔化物路线是直接引入双键,原料较难得到,并为了得到生物活性较佳的异构体组成比,还需将炔键进行选择性还原。采用Wittig技术路线合成(Z/E)-8-十二碳烯醋酸酯主要有以下几条:
于2008年9月24日公布的中国专利申请号CN101270049A公布了一种发明名称,其中的化学合成路线(路线一)如下:
于2012年11月28日公布的中国专利申请号CN102795998A公布了一种梨小食心虫性信息素化合物的合成方法,其中的化学合成路线(路线二)如下:
于2010年12月8日公布的中国专利申请号CN101906034A公布了一种梨小食心虫性信息素8(Z/E)-十二碳烯醋酸酯的合成方法,其中的化学合成路线(路线三)如下:
其中,路线一和路线二在Wittig反应生成双键过程中都涉及采用NaH溶解于DMSO,这种操作会短时间内产生大量H2,极易发生爆炸,操作危险,不适合工业生产;同时路线二的Wittig反应还需要在-78℃低温下进行,操作条件苛刻,成本过高;而路线三虽然在Wittig反应制备8(Z/E)-十二碳烯-1-醇时NaH用量减半,但是用于工业化生产过程中仍然会产生大量的H2,其合成方法亦不适合工业生产。
发明内容
鉴于现有技术中存在的问题,本发明的目的在于提供一种梨小食心虫性信息素(Z/E)-8-十二碳烯醋酸酯的合成方法,其原料易得,条件温和,步骤少,产率高,适应工业化生产。
为了实现本发明的目的,在本发明的第一个方面,本发明提供一种梨小食心虫性信息素(Z/E)-8-十二碳烯醋酸酯的合成方法,包括以下步骤:
以甲苯或苯为溶剂,将1,8-辛二醇和氢溴酸作为起始原料,经过单边溴化反应制得8-溴辛醇;
以乙醇为溶剂,将8-溴辛醇与三苯基膦加入反应釜中,采用甲苯为洗脱剂,然后降温析出8-羟基辛烷基三苯基膦盐晶体;
8-羟基辛烷基三苯基膦盐在催化剂18-冠醚-6作用下与正丁醛发生Wittig反应得到(Z/E)-8-十二碳烯醇,其中碱采用碳酸钾;
以吡啶为溶剂,(Z/E)-8-十二碳烯醇与醋酸酐或乙酰氯反应得到(Z/E)-8-十二碳烯醋酸酯,化学反应式为:
其中,Ⅰ为Z-8-十二碳烯醋酸酯,Ⅱ为E-8-十二碳烯醋酸酯。
其中,所述单边溴化反应的反应温度为80-90℃,反应时间为1-3小时。
其中,所述Wittig反应中加入的催化剂18-冠醚-6的摩尔量为所述8-羟基辛烷基三苯基膦盐摩尔量的1%-10%。
其中,1,8-辛二醇与HBr摩尔比为1:1.1;8-溴辛醇与三苯基膦的摩尔比为1:1.5;8-羟基辛烷基三苯基膦盐、碳酸钾、正丁醛摩尔比为1:2.2:2;(Z/E)-8-十二碳烯醇与醋酸酐或乙酰氯摩尔比为1:2。
本发明的有益效果如下:
当步骤(1)中的副产物(1,8-二溴辛烷)含量达到总产物摩尔量的3%作为终点,这为工业化生产提供判断反应结束的依据;
步骤(2)中先以乙醇为溶剂,反应结束后蒸除乙醇,再采用甲苯对膦盐洗脱,重结晶可以得到膦盐晶体,避免得到粘稠膦盐使后续反应难以进行问题;
步骤(3)中采用18-冠醚-6为相转移催化剂,碱采用碳酸钾可以避免采用NaH产生H2,使实验进行条件变得安全,适应工业化生产;
原料易得,条件温和,步骤少,产率高,适应工业化生产。
附图说明
图1为标准物质Z-8-十二碳烯醋酸酯的GC-MS图谱;
图2为终产物Z-8-十二碳烯醋酸酯的GC-MS图谱。
具体实施方式
实施例1
a.8-溴-1-辛醇合成
将1,8-辛二醇(1.46kg、10mol)和甲苯(25L)加入反应釜中,搅拌并升温至80-90℃,分四次滴加47%的淡黄色的HBr(1.9Kg、11mol),每次滴加间隔半小时,四次滴加HBr的摩尔比为10:5:3:2,滴加完毕后,保温2小时取样分析;TLC监测,当1,8-二溴辛烷含量达到3%时为反应终点,冷却至常温,分层,分别用5%NaOH、10%HCl、水、饱和碳酸氢钠溶液依次对有机层各洗3次,至中性,加入Na2SO4干燥过夜。用旋转蒸发仪除溶剂得到1.78kg8-溴-1-辛醇,产品收得率为81%,经GC检验含量>95%。
b.8-羟基辛烷基三苯基膦盐的合成
将8-溴-1-辛醇(1.7kg、8.1mol)、三苯基膦(3.4kg、12.93mol)与无水乙醇(3.5L)加入反应釜中搅拌加热至70-75℃回流24小时,然后先常压后减压蒸出乙醇,升温至85-90℃停止;加入洗脱剂甲苯洗3-4次,每次甲苯用量同乙醇相同,加入甲苯后升温至75-80℃,恒温静置50分钟,分层后,倾倒出上层甲苯层,将下层中低沸物在100℃蒸出,降温结晶并烘干,得到3.49kg8-溴代辛醇基三苯基膦盐,熔点为132℃,收得率为91.6%。
c.(Z/E)-8-十二碳烯醇的合成(Wittig反应)
将8-溴代辛醇基三苯基膦盐(3.4kg、7.2mol)、碳酸钾(2.2kg、15.9mol)、甲苯(25L)加入反应釜中,搅拌,2h后加热至50-55℃,3h后加入催化剂18-冠醚-6(37g、0.14mol),加热至70℃,0.5h后加入正丁醛(1kg、13.7mol),反应3h后结束;将反应液倒入冷水中,采用甲苯萃取三次,再用10%稀盐酸洗涤三次,然后用饱和NaHCO3溶液洗至中性,加入无水硫酸钠干燥过夜;用旋转蒸发仪除溶剂,得到淡黄色油状物1.1kg,反应收得率为83%。
d.(Z/E)-8-十二碳烯醋酸酯的合成
将Z/E-8-十二碳烯醇(1.1kg、6mol)和吡啶(3L)加入反应釜,冷却至5-10℃,之后滴加醋酸酐(1.22kg、12mol),自然升至室温20-25℃至反应完;慢慢加入冰水使得温度<10℃,加毕后搅拌2小时,用正己烷萃取3次,用硫酸调PH值为1,然后再用Na2CO3洗至中性,干燥并减压蒸馏得产品(Z/E)-8-十二碳烯醋酸酯1.3kg,收得率95%,经GC-MS检测顺反比为98:2。
实施例2
a.8-溴-1-辛醇合成
将1,8-辛二醇(1.02kg、7mol)和苯(18L)加入反应釜中,搅拌并升温至80-90℃,缓慢滴加47%的淡黄色的HBr(1.33Kg、7.7mol),滴加完毕后,保温3小时取样分析;TLC监测,当1,8-二溴辛烷含量达到3%时为反应终点,冷却至常温,分层,分别用5%NaOH、10%HCl、水、饱和碳酸氢钠溶液依次对有机层各洗3次,至中性,加入Na2SO4干燥过夜。用旋转蒸发仪除溶剂得到1.07kg8-溴-1-辛醇,产品收得率为73.1%,经GC检验含量>95%。
b.8-羟基辛烷基三苯基膦盐的合成
将8-溴-1-辛醇(1kg、4.78mol)、三苯基膦(1.89kg、7.17mol)与无水乙醇(2.5L)加入反应釜中加热至70-75℃回流30小时,然后先常压后减压蒸出乙醇,升温至85-90℃停止;加入洗脱剂甲苯洗3-4次,每次甲苯用量同乙醇相同,加入甲苯后升温至75-80℃,恒温静置50分钟,分层,倾倒出上层甲苯层,将下层中低沸物在100℃蒸出,降温结晶并烘干,得到2.03kg8-溴代辛醇基三苯基膦盐,熔点为132℃,收得率为90.3%。
c.(Z/E)-8-十二碳烯醇的合成(Wittig反应)
将8-溴代辛醇基三苯基膦盐(2kg、4.24mol)、碳酸钾(1.3kg、9.4mol)、甲苯(15L)加入反应釜中,2h后加热至50-55℃,3h后加入催化剂18-冠醚-6(13.2g、0.05mol),加热至70℃,0.5h后加入正丁醛(0.58kg、8mol),反应3h后结束;将反应液倒入冷水中,采用苯萃取三次,再用10%稀盐酸洗涤三次,然后用饱和NaHCO3溶液洗至中性,加入无水硫酸钠干燥过夜;用旋转蒸发仪除溶剂,得到淡黄色油状物0.59kg,反应收得率为75.5%。
d.(Z/E)-8-十二碳烯醋酸酯的合成
将Z/E-8-十二碳烯醇(0.5kg、2.7mol)和吡啶(1.5L)加入反应釜,冷却至5-10℃,之后滴加醋酸酐(0.55kg、5.4mol),自然升至室温20-25℃至反应完;慢慢加入冰水使得温度<10℃,加毕后搅拌2小时,用正己烷萃取3次,用硫酸调PH值为1,然后再用Na2CO3洗至中性,干燥并减压蒸馏得产品(Z/E)-8-十二碳烯醋酸酯0.57kg,收得率93.3%,经GC-MS检测顺反比为93:7。
实施例3
a.8-溴-1-辛醇合成
将1,8-辛二醇(0.73kg、5mol)和甲苯(12.5L)加入反应釜中,搅拌并升温至80-90℃,分两次间隔半小时缓慢滴加47%的淡黄色的HBr(0.95Kg、5.5mol),滴加完毕后,保温2小时取样分析;TLC监测,当1,8-二溴辛烷含量达到3%时为反应终点,冷却至常温,分层,分别用5%NaOH、10%HCl、水、饱和碳酸氢钠溶液依次对有机层各洗3次,至中性,加入Na2SO4干燥过夜。用旋转蒸发仪除溶剂得到0.87kg8-溴-1-辛醇,产品收得率为83.5%,经GC检验含量>95%。
b.8-羟基辛烷基三苯基膦盐的合成
将8-溴-1-辛醇(0.8kg、3.82mol)、三苯基膦(1.6kg、6mol)与无水乙醇(2L)加入反应釜中加热至70-75℃回流28小时,然后先常压后减压蒸出乙醇,升温至85-90℃停止;加入洗脱剂甲苯洗3-4次,每次甲苯用量同乙醇相同,加入甲苯后升温至75-80℃,恒温静置50分钟,分层,倾倒出上层甲苯层,将下层中低沸物在100℃蒸出,降温结晶并烘干,得到1.66kg8-溴代辛醇基三苯基膦盐,熔点为132℃,收得率为92.5%。
c.(Z/E)-8-十二碳烯醇的合成(Wittig反应)
将8-溴代辛醇基三苯基膦盐(1.5kg、3.2mol)、碳酸钾(0.66kg、4.8mol)、甲苯(15L)加入反应釜中,2h后加热至50-55℃,3h后加入催化剂18-冠醚-6(21.1g、0.08mol),加热至70℃,0.5h后加入正丁醛(0.46kg、6.4mol),反应3h后结束;将反应液倒入冷水中,采用甲苯萃取三次,再用10%稀盐酸洗涤三次,然后用饱和NaHCO3溶液洗至中性,加入无水硫酸钠干燥过夜;用旋转蒸发仪除溶剂,得到淡黄色油状物0.5kg,反应收得率为84.8%。
d.(Z/E)-8-十二碳烯醋酸酯的合成
将Z/E-8-十二碳烯醇(0.5kg、2.7mol)和吡啶(1.5L)加入反应釜,冷却至5-10℃,之后滴加乙酰氯(0.27Kg、3.5mol),自然升至室温20-25℃至反应完;慢慢加入冰水使得温度<10℃,加毕后搅拌2小时,用正己烷萃取3次,用硫酸调PH值为1,然后再用Na2CO3洗至中性,干燥并减压蒸馏得产品(Z/E)-8-十二碳烯醋酸酯0.52kg,收得率85%,经GC-MS检测顺反比为90:10。
表1实施例1-3最终产物(Z/E)-8-十二碳烯醋酸酯TIC谱图的分析结果
由表1可以得出,实施例1中的终产物(Z/E)-8-十二碳烯醋酸酯的顺反比为98:2;实施例2中的终产物(Z/E)-8-十二碳烯醋酸酯的顺反比为93:7;实施例3中的终产物(Z/E)-8-十二碳烯醋酸酯的顺反比为90:10。
GC-MS分析
仪器:安捷伦7890A气相色谱串联质谱安捷伦5795C,色谱柱:HP-5MS(30m*0.32mm*0.25μm),进样口温度:300℃,MS四级杆温度:150℃,离子源温度:230℃。程序升温:阶段一,初始50℃以10℃/min速率升至200℃,保持10min;阶段二,以20℃/min升温至280℃,保持10min。分流比50:1,柱流量:1.2ml/min,溶剂延迟:5min。
图2为终产物的GC-MS图谱,与图1(标准物质Z-8-十二碳烯醋酸酯的GC-MS图谱)对比确定最终合成产物结构为Z-8-十二碳烯醋酸酯。
Claims (4)
1.一种梨小食心虫性信息素工业生产的合成方法,其特征在于,包括以下步骤:
(1)以甲苯或苯为溶剂,将1,8-辛二醇和氢溴酸作为起始原料,经过单边溴化反应制得8-溴辛醇;
(2)以乙醇为溶剂,将8-溴辛醇与三苯基膦加入反应釜中,反应毕后采用甲苯为洗脱剂,然后降温析出8-羟基辛烷基三苯基膦盐晶体;
(3)8-羟基辛烷基三苯基膦盐在催化剂18-冠醚-6作用下与正丁醛发生Wittig反应得到(Z/E)-8-十二碳烯醇,其中碱采用碳酸钾;
(4)以吡啶为溶剂,(Z/E)-8-十二碳烯醇与醋酸酐或乙酰氯反应得到(Z/E)-8-十二碳烯醋酸酯,化学反应式为:
其中,Ⅰ为Z-8-十二碳烯醋酸酯,Ⅱ为E-8-十二碳烯醋酸酯。
2.根据权利要求1所述的梨小食心虫性信息素合成方法,其特征在于,所述单边溴化反应的反应温度为80-90℃,反应时间为1-3小时。
3.根据权利要求1所述的梨小食心虫性信息素合成方法,其特征在于,所述Wittig反应中加入的催化剂18-冠醚-6的摩尔量为所述8-羟基辛烷基三苯基膦盐摩尔量的1%-10%。
4.根据权利要求1所述的梨小食心虫性信息素合成方法,其特征在于,
1,8-辛二醇与HBr摩尔比为1:1.1;
8-溴-1-辛醇与三苯基膦的摩尔比为1:(1.5-1.6);
8-羟基辛烷基三苯基膦盐、碳酸钾、正丁醛摩尔比为1:(1.5-2.2):(1.9-2);
(Z/E)-8-十二碳烯醇与醋酸酐或乙酰氯摩尔比为1:(1.1-2)。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410378583.1A CN104177256B (zh) | 2014-08-04 | 2014-08-04 | 一种梨小食心虫性信息素(z/e)-8-十二碳烯醋酸酯的合成方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410378583.1A CN104177256B (zh) | 2014-08-04 | 2014-08-04 | 一种梨小食心虫性信息素(z/e)-8-十二碳烯醋酸酯的合成方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104177256A CN104177256A (zh) | 2014-12-03 |
CN104177256B true CN104177256B (zh) | 2016-05-25 |
Family
ID=51958639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410378583.1A Active CN104177256B (zh) | 2014-08-04 | 2014-08-04 | 一种梨小食心虫性信息素(z/e)-8-十二碳烯醋酸酯的合成方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104177256B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105418418B (zh) * | 2015-11-06 | 2017-04-26 | 山西农业大学 | 榆木蠹蛾性信息素主要成分顺‑7‑十四碳烯醇乙酸酯的合成方法 |
CN109734599A (zh) * | 2019-03-07 | 2019-05-10 | 山东省农药科学研究院 | 一种(z/e)-8-十二碳烯-1-醇醋酸酯化合物的合成方法 |
CN110028405A (zh) * | 2019-04-30 | 2019-07-19 | 北京林业大学 | 一种合成顺-3-十四碳烯醇乙酸酯和反-3-十四碳烯醇乙酸酯的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050065364A1 (en) * | 2003-07-24 | 2005-03-24 | The Regents Of The University Of California | Process for production of acetyl anhydrides and optionally acetic acid from methane and carbon dioxide |
CN101906034A (zh) * | 2010-07-23 | 2010-12-08 | 北京中捷四方生物科技有限公司 | 一种梨小食心虫性信息素8(z/e)-十二碳烯-1-醇醋酸酯的合成方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103319308B (zh) * | 2013-07-08 | 2015-05-06 | 濮阳天健生物科技有限公司 | 一种8(z/e)-十二碳烯-1-醇的合成方法 |
-
2014
- 2014-08-04 CN CN201410378583.1A patent/CN104177256B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050065364A1 (en) * | 2003-07-24 | 2005-03-24 | The Regents Of The University Of California | Process for production of acetyl anhydrides and optionally acetic acid from methane and carbon dioxide |
CN101906034A (zh) * | 2010-07-23 | 2010-12-08 | 北京中捷四方生物科技有限公司 | 一种梨小食心虫性信息素8(z/e)-十二碳烯-1-醇醋酸酯的合成方法 |
Non-Patent Citations (2)
Title |
---|
梨小食心虫性信息素的合成及活性研究;王亚璐;《中国优秀硕士学位论文全文数据库 农业科技辑》;20071215(第6期);第18-20页 * |
相转移催化维悌希反应研究;徐汉生等;《应用化学》;19881231;第5卷(第6期);第70-71页 * |
Also Published As
Publication number | Publication date |
---|---|
CN104177256A (zh) | 2014-12-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Chinta et al. | The sex pheromone of the wasp spider Argiope bruennichi | |
Biagetti et al. | New procedures for the selective synthesis of 2 (2H)-pyranone derivatives and 3-aryl-4-iodoisocoumarins | |
CN104177256B (zh) | 一种梨小食心虫性信息素(z/e)-8-十二碳烯醋酸酯的合成方法 | |
CN105218506B (zh) | 一种由邻卤苯甲酸甲酯与末端炔烃制备异香豆素类化合物的方法 | |
CN102911022A (zh) | 一种天然姜黄素类物的人工合成方法 | |
CN101962374A (zh) | 一种芹菜甲素的制备方法 | |
CN102795998A (zh) | 一种梨小食心虫性信息素化合物的合成方法 | |
CN103102266B (zh) | 一种9z, 11e-十四碳二烯醇乙酸酯的合成方法 | |
CN104529735A (zh) | 一种1-(5-溴-4-氯-2-氟苯基)-乙酮的合成方法 | |
CN112661725B (zh) | 一种美国白蛾性信息素的合成方法 | |
Ma et al. | Unusual regioselectivity of Pd (0)-catalyzed coupling reaction of electron-deficient alkenyl halides with allenic/propargylic zinc reagents. Highly selective synthesis of 6-phenylhex-5-yn-2 (or 3)-enoates/enitrile and 4-phenyl-6-substituted-hexa-2, 4, 5-trienoates | |
CN103787855B (zh) | 不对称催化合成(s)-芳姜黄酮的新方法 | |
CN105418418B (zh) | 榆木蠹蛾性信息素主要成分顺‑7‑十四碳烯醇乙酸酯的合成方法 | |
CN107501373A (zh) | 一种去氢甲基睾丸素的制备方法 | |
Hansen et al. | A facile formal synthesis of volicitin | |
CN107488155B (zh) | 一种α,β-不饱和γ-内酯的制备方法 | |
CN104974027A (zh) | 一种水稻二化螟性信息素顺-11-十六碳烯醛的合成方法 | |
CN103435462A (zh) | 一种茚幷菲酮衍生物及其制备方法 | |
Yamada et al. | Fluorine–copper exchange reaction of α, β, γ, γ, γ-pentafluorocrotonates with organocuprates: Generation and cross-coupling reactions of β-metallated α, γ, γ, γ-tetrafluorocrotonates | |
CN104974017A (zh) | (1r,2s)-2-(3,4-二氟苯基)环丙胺·d-扁桃酸盐的制备方法 | |
Pantin et al. | Convenient and Easy Access to 2-hydroxycyclopent-2-enones from Acylcyanohydrins | |
CN103254154A (zh) | 一种新的制备甲磺酸普立地诺的方法 | |
Barlan et al. | The regio-and stereochemical course of reductive cross-coupling reactions between 1, 3-disubstituted allenes and vinylsilanes: synthesis of (Z)-dienes | |
CN105061205B (zh) | Z9,11‑十二碳二烯醇乙酸酯的合成方法 | |
Lee et al. | Regioselective Addition Reactions of the Organoindium Reagents onto alpha, beta-Unsaturated Ketones |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Xiang Huiming Inventor after: Ma Ruiyan Inventor after: Liu Jinlong Inventor after: Li Jie Inventor after: Wu Dongsheng Inventor before: Ma Ruiyan Inventor before: Xiang Huiming Inventor before: Liu Jinlong Inventor before: Li Jie Inventor before: Wu Dongsheng |
|
COR | Change of bibliographic data | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |