In addition a series compounds of thiazole glycosides (17a~17f) were synthesized through 1-benzoyl-3-aryl-thioureas by phase-transfer catalysis method under mild condition.

另外日本黄色美女网站，本文以1-苯甲豕肥炫读扯园资悠担基-3-芳基硫脲為原料通過相轉(zhuǎn)移合成法合成了一系列噻唑類糖苷的衍生物(17a~17f)。

Naphthalene acetyl chloride was prepared firstly by the reaction between α-naphthylacetic acid and SOCl2 in anhydrous benzene,then reacted with potassium thiocyanate to obtain α-naphthalene acetyl isosulfocyanate,as taking an addition reaction with p-chloro benzoyl hydrazine the novel compound N-naphthalene acetyl-N'-p-chloro benzoylamino thiocarbamide was finally synthesized.

通過α-萘乙酸和SOC l2在無水苯中反應制得α-萘乙酰氯午夜免费看三级片，然后與硫氰酸鉀反應生成α-萘乙跖访涝谙哐侵奚迹基異硫氰酸酯日韩视频精品第一页在线观看网站，再與對氯苯甲酰肼進行加成反應，生成新型化合物N-萘乙跣耘访雷ㄇ基-N'-對氯苯甲酰氨基硫脲AV福利网站。

Naphthalene acetyl chloride was prepared firstly by the reaction betweenα-naphthylacetic acid and SOCl2 in anhydrous benzene, then reacted with potassium thiocyanate to obtainα-naphthalene acetyl isosulfocyanate, as taking an addition reaction with p-chloro benzoyl hydrazine the novel compound N-naphthalene acetyl-N'-p-chloro benzoylamino thiocarbamide was finally synthesized.

通過α-萘乙酸和SOCl2在無水苯中反應制得α-萘乙酰氯，然后與硫氰酸鉀反應生成α-萘乙酸基異硫氰酸酯免费黄色黄站，再與對氯苯甲酰肼進行加成反應www.国产盗摄.com，生成新型化合物N-萘乙酰基－N'-對氯苯甲酰氨基硫脲国产无套视频在线观看AA在线。

The synergistic extraction of uranyl nitrate with binary system of 1-phenyl-3-methyl-4-benzoyl-pyrazolone-5 and tributyl phosphate or diphenyl sulfoxide, and ternary system of PMBP-DPSO-TBP were studied.

本文研究了1-苯基3-甲基4-苯甲酰吡唑酮-5與磷酸三丁酯或二苯亞砜的苯溶液從硝酸介質(zhì)中對U的萃取五月婷婷超碰在线，實驗發(fā)現(xiàn)有顯著的二元協(xié)萃效應，并測定了二元協(xié)萃絡合物的組成為 UO_2A_2·TBP或 UO_2A_2·DPSO咬美女奶子舔她的逼视频，求得二元協(xié)萃平衡常數(shù)為1gβ_(12)=3.58国产高清一级做a爱在线观看，1gβ_(13)=3.61。

METHODS: Based on the antitumor activity and structural feature of 8-chloroadenosine and retinoic acid, modifications were made at positions 5′ and 8,substituted cinnamoyl and benzoyl groups were bound at 8 position through amido and ester bonds, sulfonation and nitrosation at 5′-OH and its direct chlorination were conducted.

對腺苷的8位和8-Cl-腺苷的糖環(huán)羥基進行了結(jié)構(gòu)改造18岁观看网站，以酰胺鍵和酯鍵在腺苷的8位連接了具共軛基團的肉桂豕酚谰妹夥迅咔澹基和苯甲酰基性爱黄色片无码，得到腺苷的維甲類似物免费无码中文A级毛片；對8-Cl-腺苷的5′-羥基進行了甲磺酰化日韩福利社，硝基化以及氯代反應99re视频2这里只有精品，得到了它的衍生物。

Experimental results show that the incorporation appropriate amount of Al into SO〓〓/ZrO〓, SO〓〓/TiO〓 and SO〓〓/Fe〓O〓 is helpful to stabilize the sulfur species on catalyst surfaces and to improve the superacidity and catalytic activity for benzoylation of toluene with benzoyl chloride.

實驗表明网友自拍露脸日韩视频网站在线观看，向SO〓〓/ZrO〓久久久999免费视频、SO〓〓/TiO〓和SO〓〓/Fe〓O〓中引入適量的Al〓O〓，有助于穩(wěn)定樣品表面的硫物種男女免费在线视频，提高樣品的超強酸性和對甲苯的苯甲踔形淖帜坏?页在线观看；磻钚浴?/p>

The study is to synthesize dual-site phase-transfer catalyst, and use it to form tri-liquid phases, and investigate the catalytic benzoylation of 4'-hydroxyacetophenone sodium salt and benzoyl chloride to produce 4-acetylphenyl benzoate in ultrasound-assisted tri-liquid-phase system.

中文摘要本研究在合成雙活性基相間轉(zhuǎn)移觸媒5060黄片，并使用該觸媒合成三液相系統(tǒng)日韩一级黄片，并輔以超音波在三液相系統(tǒng)中催化4-乙醯基酚化鈉與氯化苯甲醯形成苯甲酸4-乙醯基苯酯的反應。

With α-D-glucose as raw material, 3-O-benzoyl-1,2,5,6-O-diisopropylidene-α-D-allofuranose was synthesized by isopropylene protection , oxidation, reduction and benzoylation.

以α-D-葡萄糖為原料伊人夜夜，經(jīng)異丙叉基保護三级黄色网站在线免费观看、氧化、還原日韩一级A片在线视频免费网站、苯甲趿砝喙试丛谙吖劭赐荆化反應合成3-苯甲酰基-1在线a黄网站，2日韩乱码视频，5黄片在线免费无码，6-氧-二異丙叉基-α-D-呋喃阿洛糖。

Bis-(4-bromobenzoyl) benzene as the monomer of poly was synthesized by Friedel-Crafts benzoylation reaction. Poly-Ⅱ synthesized via palladium-catalyzed aryl amination reaction using 1, 4-bis-(4-bromo-benzoyl) benzene and 4, 4'-diaminodiphenyl ether as monomers.

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Synthesis process Molecular Formula:〓 Molecular Weight: 394 Chemicla name: N-(2, 3-dihydro-2, 7-dimethyl-benzofuran-1-acyl)-N'-tert-butylN'-(3, 5-dimethyl benzoyl) hydrazine Structural formula:〓 This article define a synthesis method of JS118 with (2, 3-dihydro-2, 7-dimethylbenzofuranyl)-6-formic acid, tert-butyl hydrazine hydrochloride acid and 3, 5-dimethyl benzoic acid as main intermediate through four steps of reaction involving, acyl chloridation condensation and so on.

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