保护基是指当多功能基有机化合物进行反应时,为使反应只发生在所希望的基团处,而避免其他基团遭受影响,此反应前将其他基团先加以保护,当反应完成后再恢复。能保护某种基团的试剂称为该基团的保护基。

349-96-2 4-Nitrobenzene-1-sulfonyl fluoride 对硝基苯磺酰氟
BJS7514726349-96-297%
¥714.0010g
128611-93-8 N-(2-Bromobenzyloxycarbonyloxy)succinimide 2-溴苄基-N-琥珀酰亚胺基碳酸酯
BJS8942375128611-93-898%
¥124.0025g
13139-12-3 tert-Butyl (2,5-dioxopyrrolidin-1-yl) carbonate (2,5-二氧代吡咯烷-1-基)碳酸叔丁酯
BJS465359913139-12-398%
¥78.005g
24424-99-5 Bis(tert-butoxycarbonyl)oxide 二碳酸二叔丁酯
BJS553596324424-99-598%
¥65.00100g
773-64-8 2-Mesitylenesulfonyl chloride 2,4,6-三甲基苯磺酰氯
BJS7707681773-64-895%
¥189.00100g
110-87-2 3,4-Dihydro-2H-pyran 3,4-2H-二氢吡喃
BJS6834000110-87-297% GC
¥481.00500g
107-21-1 Ethane-1,2-diol 乙二醇
BJS4737045107-21-199%
¥118.00100g
14470-28-1 (Chloro(4-methoxyphenyl)methylene)dibenzene 4-甲氧基三苯甲基氯
BJS674098814470-28-198%
¥2369.00500g
76-83-5 (Chloromethanetriyl)tribenzene 三苯基氯甲烷
BJS468245776-83-598%
¥76.00100g
878-23-9 2-Bromo-1-ethylpyridin-1-ium tetrafluoroborate 2-溴-1-乙基吡啶-1-嗡四氟硼酸盐
BJS1494412878-23-998%
¥1350.0025g
128595-07-3 N-(Cyclopentyloxycarbonyloxy)succinimide N-(环戊氧基羰氧基)琥珀酰亚胺
BJS8596200128595-07-398%
¥162.0025g
154445-78-0 2,2,4,6,7-Pentamethyl-2,3-dihydrobenzofuran-5-sulfonyl chloride 2,2,4,6,7-五甲基二氢苯并呋喃-5-磺酰氯
BJS4748130154445-78-096%
¥699.0010g
64205-15-8 tert-Butyl (1,3-dioxo-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindol-2(3H)-yl) carbonate (1,3-二氧代-3a,4,7,7a-四氢-1H-4,7-甲桥异吲哚-2(3H)-基) 碳酸叔丁酯
BJS711436864205-15-898%
¥185.001g
596-43-0 Triphenylmethyl bromide 三苯基甲基溴
BJS7161238596-43-098%
¥370.0025g
24324-17-2 9-Fluorenemethanol 芴甲醇
BJS506266324324-17-298%
¥191.00100g
58632-95-4 N-((tert-Butoxycarbonyl)oxy)benzimidoyl cyanide 2-(叔丁氧羰基氧亚氨基)-2-苯基乙腈
BJS407742058632-95-495%
¥暂无
621-84-1 Benzyl carbamate 氨基甲酸苄酯
BJS6474943621-84-198%
¥160.00100g
28920-43-6 (9H-Fluoren-9-yl)methyl carbonochloridate 氯甲酸-9-芴基甲酯
BJS632298528920-43-698%
¥1315.00500g
135544-68-2 N-(Allyloxycarbonyloxy)succinimide N-(烯丙氧基羰基氧基)琥珀酰亚胺
BJS2327523135544-68-296%
¥155.0010g
2632-13-5 2-Bromo-1-(4-methoxyphenyl)ethanone α-溴代-4-甲氧基苯乙酮
BJS85212752632-13-598%
¥638.00100g
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