C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 5/02 (2006.01) C07D 257/04 (2006.01) C07D 401/10 (2006.01) C07D 403/10 (2006.01) C07D 405/10 (2006.01) C07D 409/10 (2006.01) C07D 413/10 (2006.01) C07D 417/10 (2006.01) C07D 471/04 (2006.01) C07D 487/04 (2006.01) C07F 7/10 (2006.01)
Patent
CA 2136668
Triarylborane derivatives corresponding to the formula (1) Image (1) in which R either represents a group -CR1R2R3 where R1, R2 and R3 each, independently of one another, represent a (C1-C2)alkyl or aryl group, or represents a group -CH2OR4 where R4 is a (C1-C2)alkyl or benzyl group, or represents a group -Si(R5)3 where R5 is a (C1-C2)alkyl or aryl group, R being in the 1 or 2 position of the tetrazole ring; are useful for the preparation of intermediates for use in the synthesis of angiotensin II antagonists.
Chekroun Isaac
Magnat Michel
Rossey Guy
Kirby Eades Gale Baker
Synthelabo
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