Alpha-ethynyl benzohydrols

Details Alpha-ethynyl benzohydrols Alpha-ethynyl benzohydrols

1974-08-08

1976-06-22

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2605707, 260618H, 260611A, 260574, 260558P, 424330, 424345, 424340, 424341, 260618E, C07C 3304

Patent

active

039651797

ABSTRACT:
The invention is a new process for the preparation of .alpha.-ethynyl-benzohydrols and of ring-substituted derivatives thereof by reacting the starting benzophenone or a ring-substituted derivative thereof with acetylene in a solvent delivering no protons, in the presence of an alkali metal tertiary alcoholate, preferably potassium-tert.-butylate or potassium-tert.-amylate. Also new substituted derivatives of .alpha.-ethynyl-benzhydrol are prepared by the invention.

REFERENCES:
patent: 2996552 (1961-07-01), Blumenthal
patent: 3560567 (1971-02-01), Ruegg et al.
patent: 3663628 (1972-05-01), Tedeschi
patent: 3759906 (1973-09-01), Cavalla et al.
Gould et al., J.A.C.S., vol. 57, pp. 340-345 (1935).
Chadkiewicz et al., Compt rend. vol. 250, pp. 150-152 (1960).
March et al., J. Enco. Entomol., vol. 45, pp. 851-853, (1952).

Affiliated with

Also associated with

Rating

Alpha-ethynyl benzohydrols does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Alpha-ethynyl benzohydrols, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Alpha-ethynyl benzohydrols will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2288455