intermediates

Their intermediates included benzoquinone,adjacent diphenol and hydroquinone.

反应的中间产物都苯醌、邻苯二酚和对苯二酚;

mainly engaged in pharmaceutical hormone intermediates,such as progesterone,cyproterone acetate,medrol etc.

专业众事医药激素类中间体的生产制造。

Production hydroboration sodium, orthoformic acid medicine intermediates and so on sanchia vinegar, formic acid three ethyl ester;

生产硼氢化钠，原甲酸三甲醋、甲酸三乙酯等医药中间体；

and pharmaceutical intermediates such as veratraldehyde, isovanillin, sufurol, diacetyl, acetoin, and 2, 5-dimethyl pyrazine.

医药中间体产品有：藜芦醛、异香兰素、硫噻唑、丁二酮、乙偶姻、2,5-二甲基吡嗪等。

It is a precursor in the synthesis of various amino acids, such as alanine, and of malic acid and oxaloacetic acid, both intermediates in the KREBS CYCLE.

在各种基酸比方丙酸以及苹果酸和草酰乙酸合成中作为前体。苹果酸与草酰乙酸均三羧酸循环的中间产物。

3 Industry-grade glycine, used as intermediates thiamphenicol: the C02 solvent removal of fertilizer industry;

◆ 工业级甘酸，用作甲砜霉素中间体：在化肥工业中用做脱除C02溶剂；

hydroxyl ketene dithioacetals possessing an allylalcohol moiety, as well as terminal bisalkylthio substituted alkene are a class of important intermediates in organic synthesis.

羟基二硫缩烯酮类化合物不仅含有烯丙基醇结构单元,而且双键端位被双烷硫基,有机合成中的一类重要的有机中间体。

By nucleophilic addition and reductive cyclization reaction of the three intermediates, respectively, some azo-heterocyclic derivatives containing a rosinyl skeleton were obtained.

该3中间体分别经过亲核、还原关环反应后，得到了一些脱氢松香酸甲酯含氮杂环衍生物；

the main products include chloride alkaline,phosphorus puoducts,organic intermediates,pesticide,aromatizer,hromine products of six series in more than ten varieties.

产品有氯碱、农药、精细化工、溴制品、磷制品、饲料添加剂、香料香精、酰胺等系列。

Another production of pharmaceutical intermediates N, N 'Dicyclohexylamine-based carbon diimine (DCC), refined Sanshui sodium acetate.

另生产医药中间体N，N’二环己基碳二亚胺（DCC），精制三水醋酸钠。

Pharmaceutical Intermediates species: Sodium Cyanate, Potassium Cyanate, Subsalt of Heat Treatment, the Main Ring of Promethazine Hydrochloride, Promethazine Hydrochloride Side Chain.

医药中间体品种：氰酸钠、氰酸钾、热处理基盐、盐酸异丙嗪主环、盐酸异丙嗪侧链。

Nonnatural amino acid 3-(4-thiazolyl)-D,L-alanine hydrochloride and its four intermediates were synthesized, their structures were detenmined by IR,NMR,elementary analysis and melting point.

合成了非天然基酸3-(4-噻唑基)-D，L-丙酸盐酸盐以及三中间体，其结构分别通过红外光谱、核磁共振、元素分析、熔点等测试手段得到确证。