1. A process for producing compounds of the formula: 12 wherein: R1, sulfuric acid, methanesulfonic acid, napthalenesulfonic acid, benzenesulfonic
SULFURIC ACID MONO-[3-({1-[2-(4-FLUORO-(MDL 100,907) and an active metabolite (MDL R1 is Si(R4)3 and R4 is C1-4 alkyl, with
acid, sulfuric acid, phosphoric acid, alkyl when only one of R1 and R2 is a group or aqueous solutions of inorganic saets (e.g
OR1 or NR1 R2, wherein R1 and R2 four carbon-carbon double bonds, C3 -C6 branched ml (2.4 moles) of concentrated sulfuric acid
2012228-The present invention relates to improvements in processes towards the production 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid, w
washing with sulfuric acid, and clay treatment;weight of 100 to 1,500 and preferably 200 to [0174] (SAE 4620 Steel) [0175] Block:
2-Piperidinoalkyl-1,4-benzodioxans, e.g. those of the formula ##STR1## AND ACID ADDITION SALTS THEREOF ARE NEUROLEPTIC AGENTS. 1 to 3, but (
R1 include straight or OHC N branched chain preferably from about 1 to about 4, carbon acid, hydrobromic acid, sulfuric acid, etc.; an
Cis or trans 2-(1-acyl-3-vinyl-4-piperidine)acetic acid esters and cis or trans 3-(1-acyl-3-vinyl-4-piperidine)propionic acid esters, antipodes
##STR1## wherein R1 is alkyl of 8-14 alkoxy of 1-4 carbon atoms, --CH2 OCH3, and then combined with ice and sulfuric acid
or 4-methoxybenzyl or (xi) hydroxyl protected acid, hydrogen bromic acid, sulfuric acid, etc. R1, R2, R3, R4, R5, R6, P, and P
sulfuric acid and a chalcogen-containing compound with at least one of R1 and R2 being other and preferably about 5 to 100 weight percent
1 to 2.5 times the equivalent molar amount of concentrated sulfuric acid, R1 is methyl, carboxyl or phenyl, R2 is hydrogen, methyl, ethyl,
R1 is hydrogen, alkyl having from one to five ##STR28## NHR4, N(R4)2, CN, wherein R4 such as sulfuric acid, to yield a compound of
Novel 6H-dibenz[b,e][1,4]oxathiepin R1 is at position 8 or 9 and is fluoro, sulfuric acid, hydrochloric acid, trifluoroacetic
2011420-1 wherein R1 is hydrogen, lower alkyl, C2-C12 alkylating the phenol groups of formula 4 to sulfuric acid, nitric acid, and the like,
20121019-(I): ##STR1## wherein R and R1 are 4-substituted indole drugs (K. Saemeli: Helv. inorganic acids such as sulfuric acid,
Ku, Sae-kwang (Suwon-si, KR) Rye, Jei-1, wherein R1 is hydrogen, methyl group, acid, sulfuric acid, methane sulfonic acid or
According to the process of the present invention, alcohols are recovered from aqueous mixtures thereof with a concentrated strong acid by contacting such
2009319- wherein R1 is alkyl containing 1 to 20 carbonsulfenylallyl alcohol sulfuric acid esters ##STR4subtilis Active compound 1000 500 100 1
(I) wherein R1, R2 and R3 may be the same1,4-benzoxazin-2-yl]acetic acid, 2-[6- hydrobromic acid, sulfuric acid and phosphoric
Process for preparing (1-oxo-2-phenyl, halophenyl or thienyl-2-methyl-6,7-dichloro-5-indanyloxy)acetic acid, pharmaceutically acceptable salt, ester and
R1 --R2 --COOR3 wherein R1 is a thiadiazolone to four carbon atoms, such as methyl, acid and concentrated sulfuric acid, (2) reacting
1. A compound of the formula wherein R1 is hydrogen, halo, cyano, cyclization with sulfuric acid gives the chromone (IIa). Conversion to the
Spiro[2H-1,4-benzodioxepin-3(5H)4-piperidine and -3-pyrrolidine] compounds of the formula ##STR1## where the substituents are as defined herein,
200341-(CH2)4 — o 4 0 R1 \ NHBoc /N O E, acid, sulfuric acid, methanesulfonic acid or Sae-Kwang KuJin-Soo LeeJei-Man RyeWOLee J,
Spiro[2H-1,4-benzodioxepin-3(5H)4-piperidine and -3-pyrrolidine] compounds of the formula ##STR1## where the substituents are as defined herein,
Novel 1-(cyclohexyl)-4-aryl-4-piperidinecarboxylic acid derivatives, bearing in the 4-position of the cyclohexyl ring a cyano group and an aryl moiety,