Calcium carbide production, dissolved acetylene, self-diol, has been acetylenic diol, a hybroxybutyric alcohol, methyl amyl alcohol, without the others methyl diol and other products.

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The callus of barnyard grass was treated with compound 5 1-phenyl-4-(3,4-methylenedioxy-phenyl-diacetylene under UV-A irradiation for 3 h, which forms an inner environment of oxidizing stress in the cells.

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Mainly engaged in: Hydrogen-imide hydrochloride, o-chlorophenyl cyclopentanone, 3.4 dimethoxy ethyl benzene, butyn single potassium acid, potassium ethyl malonyl, Ding amide, amide isobutyraldehyde , allyl chloroacetate, isopropyl chloroacetate Benzyl aluminum, cyclopentene, cyanide-o-chlorophenyl, o-methyl chloride, sulfuric acid chloride, p-chlorophenol, imidazole, Pinacolone, one chlorine Pinacolone.

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Ingredients: Rose oil, rose fruit Oil, clove flower oil, deionized water, isopropyl myristate, glycerol, propylene glycol, polyethylene glycol -400, central PDMS, poly dimethyl siloxane, PDMS alcohol, polyacrylamide, C13-14 iso-paraffin, octoic acid / capric Acid Triglyceride, lauryl alcohol -7, hydroxyethyl acrylate, acryloyldimethyltaurate copolymer, squalane, poly sorbate esters -60, PEG-20 sorbitan laurate, panthenol, allantoin, methyl p-hydroxybenzoate, diazolidiny1 urea, 3-iodo-2-propynyl-butyl-carbamate, essence.

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Mission:"equality and mutual benefit, reputation first, unity and cooperation and friendship between the long-term" supply products: ethylenediamine; diethylamide; triethylamine; Diethylenetriamine; three ethylene diamine; three ethylene amines 40; 40 Five ethylene amines; five ethylene amines 6; caprolactam; DMF; allyl amine; N, N dimethylaniline; propylamine; are butylamine; are TOA; 3 Poly Cyanamide; 1,2 c diamine; ethanolamine; diethanolamine, triethanolamine; potassium iodide, potassium hydroxide, potassium permanganate, toluene, xylene, toluene of chlorine ; Acetone, butanone; acetylacetone; ethyl acetate, butyl acetate; Y-butyrolactone; DMC; acetyl of methyl acetate; Sanfu acetyl acid; Sanfu acetyl B Ethyl; methanol, ethanol, isopropanol; propylene glycol; glycerol; propargyl alcohol; 1.3 propylene glycol; xylitol; acetic acid; have acid; mercaptoacetic acid; vary Bitterness; adipic acid; trifluoroacetic acid; oxalic acid, the amino acid; o-amygdalin acid; DL-Acid; anhydrous piperazine; six non-piperazine, furfural, castor oil, ethylene Aldehyde; glutaraldehyde, multi-POM; isopropyl ether; anisole; tetrahydropyrrole; pure pyridine; 1.2 dichloroethane; methylene chloride, chloroform, carbon tetrachloride; hydrazine hydrate; Nonylphenol;-m-cresol; Se phenol; phenol; the tert-butyl phenol; Titanium Dioxide; iron; full Tangfen; Bisphenol A; azo two different nitrile; sodium azide; sodium carbonate ; Sodium chloride; iron oxide; cuprous chloride; thionyl chloride; D4; sodium bicarbonate; ammonia, potassium chloride; anhydrous sodium sulphite; ammonium persulfate; glycol Dingmi; B Glycol ether; calcium chloride; cyclohexanone; cyclohexane, methyl tertiary butyl ether, potassium carbonate, ferric chloride, potassium nitrate; Linsuansanna; zinc oxide; sodium nitrite; antimony oxide; Tartrate; OP-10; TX-10; tablets base; AES; sodium benzoate, sodium citrate; partial sodium silicate, sodium perborate, a sodium carbonate, sodium benzene; Asia sodium chlorate; Wuluo Care products; urea; hydrochloric acid, sulfuric acid, lactic acid; amino acid, hydrogen peroxide, ammonium bicarbonate

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They are 4-(2- hydroxy-3-butynlenoxy) benzoic acid (1, WA), 5-chloro-7, 8-dihydroxy-7-methyl- 6-oxo-3- [ -3, 4-dihydroxy-3, 5-dimethyl-l-heptylene] -1H-8, 8a-dihydrobenzo [2, 3-c] pyran (2, WB),-2-(2-methyl-2-dibutene diamido)-2-butenoic acid (3, B5262), 3, 4-dihydro-9, 10-dihydroxy-7-methoxy-3-methyl-1H-naphtho [2, 3- c] pyran-1-one (4, A73 semi-Vioxanthin), 8, 8'-bis (6, 9-dioxo-3,4-dihydro-10- hydroxy-7-methoxy-3-methyl-1H-naphtho [2, 3-c] pyran-1-one)(5, A122 Xanthomegnin), 2, 5-dioxo-3a-hydroxymethyl-3, 3a, 6, 6a-tetrahydro-furo [2, 3-b] furan (6, 1003-2), 7-acety1-5-chloro-6, 8-dioxo-7-methyl-3- [ -3, 5-dimethyl-1, 3- diheptylene] -4aH-benzo [2, 3-c] pyran (7, M2-2 sclerotiorin), respectively.

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Mission:"equality and mutual benefit, reputation first, unity and cooperation and friendship between the long-term" supply products: ethylenediamine; diethylamide; triethylamine; Diethylenetriamine; three ethylene diamine; three ethylene amines 40; 40 Five ethylene amines; five ethylene amines 6; caprolactam; DMF; allyl amine; N, N dimethylaniline; propylamine; are butylamine; are TOA; 3 Poly Cyanamide; 1,2 c diamine; ethanolamine; diethanolamine, triethanolamine; potassium iodide, potassium hydroxide, potassium permanganate, toluene, xylene, toluene of chlorine ; Acetone, butanone; acetylacetone; ethyl acetate, butyl acetate; Y-butyrolactone; DMC; acetyl of methyl acetate; Sanfu acetyl acid; Sanfu acetyl B Ethyl; methanol, ethanol, isopropanol; propylene glycol; glycerol; propargyl alcohol; 1.3 propylene glycol; xylitol; acetic acid; have acid; mercaptoacetic acid; vary Bitterness; adipic acid; trifluoroacetic acid; oxalic acid, the amino acid; o-amygdalin acid; DL-Acid; anhydrous piperazine; six non-piperazine, furfural, castor oil, ethylene Aldehyde; glutaraldehyde, multi-POM; isopropyl ether; anisole; tetrahydropyrrole; pure pyridine; 1.2 dichloroethane; methylene chloride, chloroform, carbon tetrachloride; hydrazine hydrate; Nonylphenol;-m-cresol; Se phenol; phenol; the tert-butyl phenol; Titanium Dioxide; iron; full Tangfen; Bisphenol A; azo two different nitrile; sodium azide; sodium carbonate ; Sodium chloride; iron oxide; cuprous chloride; thionyl chloride; D4; sodium bicarbonate; ammonia, potassium chloride; anhydrous sodium sulphite; ammonium persulfate; glycol Dingmi; B Glycol ether; calcium chloride; cyclohexanone; cyclohexane, methyl tertiary butyl ether, potassium carbonate, ferric chloride, potassium nitrate; Linsuansanna; zinc oxide; sodium nitrite; antimony oxide; Tartrate; OP-10; TX-10; tablets base; AES; sodium benzoate, sodium citrate; partial sodium silicate, sodium perborate, a sodium carbonate, sodium benzene; Asia sodium chlorate; Wuluo Care products; urea; hydrochloric acid, sulfuric acid, lactic acid; amino acid, hydrogen peroxide, ammonium bicarbonate

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Propargyl alcohol was protected by dihydrophran with the catalysis of PPTS ,and then reacted with Ethyl Mag bromide to prepare its corresponding Grignard reagent.

炔丙醇在 PPTS 催化下由二氫吡喃保護(hù)欧美洲视频在线观看，與溴乙烷格氏試劑反應(yīng)生成相應(yīng)的格氏試劑日韩av.www，然后與氯甲酸甲酯反應(yīng)得到羥基丁炔酸甲酯四氫吡喃醚欧洲美女A片一区二区三区，在 PPTS 催化下脫保護(hù)后進(jìn)行甲磺酰化日韩精品影视系列在线播放视频免费，由溴化鈉進(jìn)行溴取代后合成了4-溴-2-丁炔酸甲酯欧美一级片一区，總收率達(dá)53%。

In addition, the new phosphine-catalyzed cyclization reactions of dimethylacetylenedicarboxylate and methyl propiolate with N-tosylimines are also described.

發(fā)展了膦催化下丁炔二酸二甲酯和丙炔酸甲酯與貧電子亞胺的環(huán)化反應(yīng)啊啊啊~轻点插，這對(duì)2-炔酸酯的反應(yīng)又是一個(gè)補(bǔ)充欧美成年网，進(jìn)一步豐富了膦催化下貧電子炔烴的反應(yīng)化學(xué)。

The normally brominated Baylis-Hillman adducts were formed as the major product at low temperature. While at room temperature or heating, the α,γand β,β-dibrominated compounds were formed as the major products using 3-butyn-2-one and methyl propiolate or propynenitrile as substrate, respectively.

貧電子炔類(lèi)化合物的Baylis-Hillman反應(yīng)的研究在這部分工作中我們發(fā)現(xiàn)在用TiBr〓或BBr〓為L(zhǎng)ewis酸催化貧電子炔類(lèi)化合物和芳香醛的Baylis-Hillman反應(yīng)時(shí)国模人体超大尺度私拍，溫度對(duì)反應(yīng)的影響很大：當(dāng)反應(yīng)在低溫下進(jìn)行時(shí)日韩99自拍视频在线观看免费网站，通常生成的是正常的β-溴代的Baylis-Hillman反應(yīng)產(chǎn)物；而在室溫或加熱條件下反應(yīng)性生活无码黄色，以丁炔酮為底物時(shí)www性爱，主要生成的是α，γ-二溴化合物性爱爱视频网站，而以丙炔酸甲酯及丙炔腈為底物時(shí)，主要生成的是β国产农村妇女打一炮，β-二溴化合物国产足交丝袜美女视频网站。

butylene oxide：丁撐氧

butylene glycol 丁烯二醇 | butylene oxide 丁撐氧 | butynediol 丁炔二醇

butanal; butyraldehyde：丁醛

丁二炔 butadiyne | 丁醛 butanal; butyraldehyde | 丁酰胺 butanamide; butyramide

bulbocapnine：空褐麟堿

空褐麟堿 bulbocapnine | 丁二炔 butadiyne | 丁醛 butanal; butyraldehyde

butadiyne：丁二炔

butadine 保泰松制劑 | butadiyne 丁二炔 | butafosfan 布他磷

diacetylene; butadiyne：聯(lián)乙炔;丁二炔

二乙酰甲醇 diacetylcarbinol | 聯(lián)乙炔;丁二炔 diacetylene; butadiyne | 己二炔二酸 diacetylenedicarboxylic acid

butyne：丁炔

butylol glycol | 己三醇-1,2,6 | butyne | 丁炔 | butynediol | 丁炔二醇

butyne glycol：丁炔二醇

butynamine 布替那明 | butyne glycol 丁炔二醇 | butynoic acid 丁炔酸

diacetylene：丁二炔

diacetyl 雙乙酰 | diacetylene 丁二炔 | diacetylmorphine 二乙酰嗎啡

polymerized：聚合的

polymerization transition 聚合變化 | polymerized 聚合的 | polymerized diacthylene 聚合丁二炔

polymerized diacthylene：聚合丁二炔

polymerized 聚合的 | polymerized diacthylene 聚合丁二炔 | polymethacrylate 聚甲基丙烯酸酯