16281-39-3

• 常用中文名：1H-2-苯并吡喃-7-羧基LIC酸,5-氯-3,4-二氢-8-羟基-3-甲基-1-氧代
• 常用英文名：5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1h-2-benzopyran-1-one-7-carboxylic acid
• CAS号：16281-39-3
• 分子式：C₁₁H₉ClO₅
• 分子量：256.63900
• 发布时间：2018-12-11 12:39:50
• 更新时间：2024-01-09 17:15:54

名称

• 中文名: 1H-2-苯并吡喃-7-羧基LIC酸,5-氯-3,4-二氢-8-羟基-3-甲基-1-氧代
• 英文名: 5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1h-2-benzopyran-1-one-7-carboxylic acid
• 英文别名: 1H-2-Benzopyran-7-carboxylic acid,5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo; 5-chloro-8-hydroxy-3-methyl-1-oxoisochroman-7-carboxylic acid; 3-methyl-5-chloro-7-carboxy-8-hydroxyisocoumarin; 5-chloro-8-hydroxy-3,4-dihydro-3-methylisocoumarin-7-carboxylic acid

物化性质

• 密度: 1.539g/cm3
• 沸点: 521.4ºC at 760mmHg
• 分子式: C₁₁H₉ClO₅
• 分子量: 256.63900
• 闪点: 269.2ºC
• 精确质量: 256.01400
• PSA: 83.83000
• LogP: 1.84520
• 蒸汽压: 1.06E-11mmHg at 25°C
• 折射率: 1.62

安全

• 海关编码: 2932999099

合成路线

83769-04-4 ~55% 16281-39-3

文献：Cramer, Benedikt; Harrer, Henning; Nakamura, Kazuhiko; Uemura, Daisuke; Humpf, Hans-Ulrich Bioorganic and Medicinal Chemistry, 2010 , vol. 18, # 1 p. 343 - 347

75-07-0 4111-54-0 ~% 16281-39-3

文献：Iowa State University Research Foundation, Inc. Patent: US4346039 A1, 1982 ;

98361-02-5 ~47% 16281-39-3

文献：Sibi,M.P.; Chattopadhyay,S.; Dankwardt,J. Journal of the American Chemical Society, 1985 , vol. 107, p. 6312

85630-20-2 ~% 16281-39-3

文献：Sibi,M.P.; Chattopadhyay,S.; Dankwardt,J. Journal of the American Chemical Society, 1985 , vol. 107, p. 6312

98360-96-4 ~% 16281-39-3

文献：Sibi,M.P.; Chattopadhyay,S.; Dankwardt,J. Journal of the American Chemical Society, 1985 , vol. 107, p. 6312

54870-23-4 ~% 16281-39-3

文献：Bouisseau, Anais; Roland, Aurelie; Reillon, Florence; Schneider, Remi; Cavelier, Florine Organic Letters, 2013 , vol. 15, # 15 p. 3888 - 3890

952023-80-2 ~% 16281-39-3

文献：Bouisseau, Anais; Roland, Aurelie; Reillon, Florence; Schneider, Remi; Cavelier, Florine Organic Letters, 2013 , vol. 15, # 15 p. 3888 - 3890

344348-28-3 ~% 16281-39-3

文献：Gabriele, Bartolo; Attya, Mohamed; Fazio, Alessia; Di Donna, Leonardo; Plastina, Pierluigi; Sindona, Giovanni Synthesis, 2009 , # 11 art. no. Z01909SS, p. 1815 - 1820

海关

海关编码	2932999099
中文概述	2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素	品名, 成分含量, 用途
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%