Detail of "10601-99-7"

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3-ETHYNYL BENZOIC ACID

Supplier:Saraf Chemicals Ltd [ India]

910 Integral
910

Tel:+91(22) 6128 5566 / 4218 4218

Address:501, Waterford, 'C' Wing, C. D. Barfiwala Marg (Juhu Lane),Andheri (W), Mumbai - 400 058, Maharashtra, India

3-Ethynyl?Benzoicacid

600 Integral
600

Tel:+91-40-40110281

Address:Gandhinagar, IDPL Colony, (kiran@rnrbiotech.com)

500 Integral
500

Tel:+91-40-23075686

Address:IDPL colony, Jeedmetala

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Preparation of ethynylbenzoic acid derivatives: Preparation of ethynylbenzoic acid derivatives. Ogawa, Takeshi; Tsuchiyama, Kazuo (Sekisui Chemical Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 03227954 A2 8 Oct 1991 Heisei, 4 pp. (Japan). CODEN: JKXXAF. CLASS: ICM: C07C063-64. ICS: C07C051-363; C07C065-03. ICA: B01J031-24; C07B061-00.In this article, certain chemicals are used. Some of their cas registry numbers are 10602-00-3 and 10601-99-7 APPLICATION: JP 90-24913 2 Feb 1990. DOCUMENT TYPE: Patent CA Section: 25 (Benzene, Its Derivatives, and Condensed Benzenoid Compounds) The title derivs. are prepd. by treating reaction products of halogenated benzoate esters and 2-methyl-3-butyn-2-ol (I) with aq. solns. of alkali metal or alk. earth metal hydroxides and subsequent neutralization by acids. Coupling reaction of p-BrC6H4CO2Me and I in Et3N-pyridine mixt. in the presence of CuI, PPh3, and PdCl2(PPh3)2 at 70-80° for 5 h, treating the product in aq. KOH under reflux for 5 h, and neutralizing with dil. HCl gave 95% p-ethynylbenzoic acid. .