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
KUB4XKKL349-96-297%
¥805.0010g
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
KSP909QQ13139-12-398%
¥90.005g
773-64-8 2-Mesitylenesulfonyl chloride 2,4,6-三甲基苯磺酰氯
K7JF476E773-64-895%
¥34.005g
107-21-1 Ethane-1,2-diol 乙二醇
KY3N4LRC107-21-199%
¥69.00100g
14470-28-1 (Chloro(4-methoxyphenyl)methylene)dibenzene 4-甲氧基三苯甲基氯
KWD3Y10X14470-28-198%
¥2667.00500g
76-83-5 (Chloromethanetriyl)tribenzene 三苯基氯甲烷
KIWSD9R676-83-598%
¥32.0025g
878-23-9 2-Bromo-1-ethylpyridin-1-ium tetrafluoroborate 2-溴-1-乙基吡啶-1-嗡四氟硼酸盐
KWTD7GK2878-23-998%
¥1618.0025g
65853-65-8 2-Chlorobenzyl (2,5-dioxopyrrolidin-1-yl) carbonate 2-氯苄基-N-琥珀酰亚胺基碳酸酯
K7AS0LZP65853-65-897%
¥60.005g
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
KAFLVECY154445-78-096%
¥631.0010g
13139-17-8 N-(Benzyloxycarbonyloxy)succinimide N-苄基琥珀酰亚胺碳酸酯
KRMICA0B13139-17-897%
¥122.00100g
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
KMMVU5D764205-15-898%
¥176.001g
596-43-0 Triphenylmethyl bromide 三苯基甲基溴
KSOJCHWQ596-43-098%
¥364.0025g
24324-17-2 9-Fluorenemethanol 芴甲醇
KRWO09CA24324-17-298%
¥150.00100g
58632-95-4 N-((tert-Butoxycarbonyl)oxy)benzimidoyl cyanide 2-(叔丁氧羰基氧亚氨基)-2-苯基乙腈
K1W7OU0358632-95-495%
¥183.0025g
621-84-1 Benzyl carbamate 氨基甲酸苄酯
KIVEGVTI621-84-198%
¥188.00100g
28920-43-6 (9H-Fluoren-9-yl)methyl carbonochloridate 氯甲酸-9-芴基甲酯
KQPN90GL28920-43-698%
¥32.005g
135544-68-2 N-(Allyloxycarbonyloxy)succinimide N-(烯丙氧基羰基氧基)琥珀酰亚胺
KDVK5RD7135544-68-296%
¥289.0010g
2632-13-5 2-Bromo-1-(4-methoxyphenyl)ethanone α-溴代-4-甲氧基苯乙酮
K3XV3TNR2632-13-598%
¥590.00100g
1 2