1)  NMR
丁酸内酯结构
2)  Butyric acid
丁酸
1.
Complex extraction of butyric acid with tributyl phosphate based on neural networks;
基于神经网络的磷酸三丁酯络合萃取丁酸的研究(英文)
2.
Effects of butyric acid,all-trans retinoic acid on proliferation of human lung adenocarcinoma A549 cell line in vitro;
丁酸、全反式维甲酸对肺腺癌细胞株A549体外增殖的影响
3.
Lactic acid,acetic acid and butyric acid coexisted in sour brewing products.
酸味酿造产品中乳酸、醋酸、丁酸共存,但比例不同形成的酸味特征也不同。
3)  butyrate
丁酸
1.
Effects of butyrate on the growth of cultured human periodontal ligament cells;
丁酸对人牙周膜细胞增殖的影响
2.
Isolation and identification of a lactate-utilizing,butyrate-producing bacterium and its primary metabolic characteristics;
一株乳酸利用、丁酸产生菌的分离与鉴定及代谢特性的初步研究
3.
Isolation and Identification of a Lactate-Utilizing, Butyrate-Producing Bacterium from Porcine Feces and Its Metabolic Characteristics in Virtrol;
一株猪源性乳酸利用、丁酸产生菌的分离和鉴定及其体外代谢特性的初步研究
4)  isobutyric acid
异丁酸
1.
New process of isobutyric acid from isobutyraldehyde by water oxidation;
异丁醛加水氧化制异丁酸新工艺
2.
Several routes for synthesizing methyl isopropyl ketone were introduced, including the main methods based on isobutyl aldehyde-acetic acid, isobutyric acid-acetic acid, methyl ethyl ketone-formaldehyde and isoprene.
介绍了甲基异丙酮的多种合成路线,主要有异丁醛-乙酸法、异丁酸-乙酸法、甲基乙基酮-甲醛法和异戊二烯法。
3.
In this paper, isobutyric acid ?thionyl chloride and bromine were used as raw materials to synthesize α-bromoisobutyric acid chloride which will substitute α-bromoisobutyric acid bromine.
研究了以异丁酸、氯化亚砜和液溴为主原料合成α-溴代异丁酰溴的替代产品———α -溴代异丁酰氯的工艺。
5)  Ethyl butyrate
丁酸乙酯
1.
Catalyzed by p-toluene sulphoric acid,continuous synthesis of ethyl butyrate by reactive distillation method was performed with experiment and computer simulation.
本研究采用对甲苯磺酸为催化剂,用试验与Aspen Plus模拟相结合,研究了反应精馏合成丁酸乙酯的工艺。
2.
In this experiment, ethyl butyrate was synthesized by using man- made zeolite modified with H2SO4 as a catalyst.
本实验用硫酸特殊处理过的人造沸石作催化剂,合成了丁酸乙酯,其合成效果较好、产率高、副反应少、对环境污染较低。
3.
Ln this paper, the synthesis of ethyl butyrate with TiSiW 12 O 40 /TiO 2 as catalysts is studied.
首次以杂多酸盐TiSiW1 2 O40 /TiO2 为催化剂催化合成了丁酸乙酯 。
6)  amyl butyrate
丁酸戊酯
1.
A study on the synthesis of amyl butyrate catalyzed by solid superacid;
固体超强酸催化合成丁酸戊酯的研究
2.
Synthesis of amyl butyrate with sodium hydrogen sulfate as catalyst;
硫酸氢钠催化合成丁酸戊酯的研究
3.
Study on catalytic synthesis of amyl butyrate with solid acid;
固体酸催化合成丁酸戊酯
参考词条
补充资料:-丁酸内酯
CAS:96-48-0
分子式:C4H6O2
分子质量:86.09
沸点:204-205℃
熔点:-45-45℃
中文名称:γ-丁内酯;二氢-2(3H)-呋喃酮;γ-羟基丁酸内酯;1,4-丁内酯;γ-丁酸内酯;4-羟基丁酸内酯;GBL

英文名称:.gamma.-Butyrolacton;dihydro-2(3H)-Furanone;4-Butonolide;dihydro-2(3h)-furanon;1,2-butanolide;1,4-butanolide;2-oxolanone4-butanolide

性状描述:无色透明的油状液体,具有一定的吸湿性和轻微的气味。与水;醇;酯;醚;酮和芳烃互溶,在直链烷烃和环烷烃中微溶。凝固点-43.53℃,沸点206℃(101.3kPa),89℃(1.6kPa),相对密度1.129(20/4℃),折射率1.4362。闪点(开杯)98℃,燃点455℃。能随水蒸气挥发,在热碱溶液中分解。

生产方法:1、顺酐加氢法该法是70年代发展的先进工艺,用一段加氢反应,能以任意比例生产四氢呋喃和γ-丁内酯,通常的比例是四氯呋喃:γ-丁内酯=3-4:1。生产企业较多,但规模小,平均300t/a。该法产能占国内总产能的30%。

2、1,4-丁二醇脱氢法反应器为列管式,装填片状的铜催化剂(以氧化锌为载体)。反应温度控制在230-240℃。反应产物粗γ-丁内酯经减压蒸馏而得成品,收率77%以上。

用途:γ-丁内酯是一种溶解性强;无毒;使用管理安全方便的高沸点溶剂,在石油加工中用作丁二烯;芳烃;高级润滑脂的抽提剂;在化纤行业中用作丙烯腈纤维的纺丝溶剂,是羊毛;尼龙;丙烯腈等纤维的染色助剂。在有机合成中,GBL也有广泛的用途,它是合成α-吡咯烷酮;N-甲基吡咯烷酮;乙烯基吡咯烷酮;乙酰基-γ-丁内酯;环丙胺等的原料,是合成杀虫剂;除草剂;药物脑复康;环丙氟哌酸;维生素B1,叶绿素等的中间体。还用于合成氯苯氧基丁酸类除莠剂,植物生长调节剂。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。